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Ford · Known Issues

2019 Ford Mustang Problems: 16 Known Issues

2019 model year · 23,220+ owner reports · Updated September 2026

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Issue summary

According to Au7o's analysis of 23,220+ owner reports, the 2019 Ford Mustang has 16 documented known issues, with 2 rated critical. The most serious are MT82 Manual Transmission Grinding and Shifting Issues ($150-$6,000 repair) and 2.3L EcoBoost Head Gasket Failure and Coolant Intrusion ($1,500-$4,500 repair). The most commonly reported issue is 5.0L Coyote Engine Tick/Knock Noise at Idle with 8,000 owner reports. Across all issues with published estimates, repair costs range from $2 to $8,000. DIY maintenance guides at au7o.io.

In This Article

  • Mustang Engine4
  • Mustang Transmission3
  • Mustang Electrical4
  • Mustang Emissions3
  • Mustang Suspension1
  • Mustang Brakes1
  • Recalls19
  • FAQ
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In This Article

  • Engine4
  • Transmission3
  • Electrical4
  • Emissions3
  • Suspension1

All 16 Known Issues

NHTSA Recalls19 recalls

AIR BAGS:KNEE BOLSTER

Ford Motor Company (Ford) is recalling certain 2021-2022 Mustang vehicles. An insufficient weld on the front passenger knee air bag may result in an improper air bag deployment.

Campaign #22V08300016/02/2022

FORWARD COLLISION AVOIDANCE: SENSING SYSTEM: CAMERA

Ford Motor Company (Ford) is recalling certain 2022 Mustang vehicles equipped with an Image Processing Module A (IPMA) or forward-facing camera. The camera is misaligned to the vehicle, resulting in the camera not functioning as intended.

Campaign #22V33400013/05/2022

POWER TRAIN:AUTOMATIC TRANSMISSION

Ford Motor Company (Ford) is recalling certain 2022-2023 F-150, Mustang, Explorer, Bronco, and 2023 Lincoln Aviator vehicles equipped with automatic transmissions. The transmission may contain a loose bolt which could prevent the transmission from engaging the park gear, although the gear shifter position may indicate that the vehicle has been shifted to "PARK."

Campaign #23V07000010/02/2023
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Frequently Asked Questions

What are the most common Ford Mustang problems?

According to Au7o's analysis of 23,220+ owner reports, the 2019 Ford Mustang has 16 documented issues. The most frequently reported are: MT82 Manual Transmission Grinding and Shifting Issues, 2.3L EcoBoost Head Gasket Failure and Coolant Intrusion, Independent Rear Suspension Clunk and Noise Over Bumps. Of these, 2 are rated critical and should be addressed promptly.

Is the Ford Mustang reliable?

The 2019 Ford Mustang has 16 known issues documented across 23,220+ owner reports. 2 issues are rated critical: MT82 Manual Transmission Grinding and Shifting Issues and 2.3L EcoBoost Head Gasket Failure and Coolant Intrusion. Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.

How much does it cost to fix common Ford Mustang problems?

Repair costs for known Ford Mustang issues range from $0 to $8,000, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, MT82 Manual Transmission Grinding and Shifting Issues, typically costs $150-$6,000 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.

What is the 2015-2023 Ford Mustang MT82 Manual Transmission Grinding and Shifting Issues?

The MT82 6-speed manual transmission is notorious for multiple issues including gear grinding (especially 1st to 2nd and into 3rd gear when cold), high RPM lockout preventing shifts, notchy/difficult shifts, premature synchronizer wear, and in severe cases complete transmission f… Repairs typically run $150-$6,000. Severity: high.

What is the 2015-2019 Ford Mustang 2.3L EcoBoost Head Gasket Failure and Coolant Intrusion?

The 2.3L EcoBoost engine in 2015-2019 Mustangs is prone to head gasket failure, particularly in vehicles that experience repeated heat cycles or are driven hard. Block distortion over multiple thermal cycles creates gaps between the engine block and cylinder head that the gasket… Repairs typically run $1,500-$4,500. Severity: high.

Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.

Data sourced from 23,220+ owner reports, NHTSA recalls, TSBs, and automotive forums.

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    Community reported
    1,500 owners

    On the 2015-2019 Ford Mustang 2.3L EcoBoost, the 2.3L EcoBoost engine in 2015-2019 Mustangs is prone to head gasket failure, particularly in vehicles that experience repeated heat cycles or are driven hard. Block distortion over multiple thermal cycles creates gaps between the engine block and cylinder head that the gasket cannot seal, allowing coolant to enter the cylinders when the engine is cold. Ford redesigned the engine for 2020+ models.

    Common Symptoms

    • White smoke from exhaust
    • Coolant loss with no visible leaks
    • Milky residue on oil cap
    • Overheating
    • Rough idle when cold
    • Misfires when engine is cold

    How to Fix

    Head gasket replacement is required, which involves removing the cylinder head. Cost ranges from $1,500-3,000 for parts and labor at an independent shop, or $2,500-4,500 at a dealer. Some owners opt for upgraded multi-layer steel head gaskets and ARP head studs to prevent recurrence.

    Typical repair cost:$1,500 - $4,500

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    Based on 1,500 owner reports

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    High Confidence1,500 owner reportsLast reported by owners Feb 2024Reviewed Feb 2026

    On the 2018-2020 Ford Mustang 5.0L Coyote V8 (Gen 3), the third-generation Coyote 5.0L V8 introduced in 2018 (added direct injection plus port injection) developed a reputation for burning oil with no external leaks, with many owners reporting the oil-life/oil-level light triggering as early as 3,000-5,000 miles and consumption exceeding a quart per ~3,000 miles. The same engine architecture is at the center of a 2018-2020 F-150 5.0L class action alleging the piston-ring/oil-control design allows oil past the rings into the combustion chamber; Ford has also pointed to high deceleration vacuum drawing oil through the PCV/intake. Left unmonitored, chronically low oil risks accelerated wear, lifter/timing-chain noise, and in extreme cases engine damage.

    Common Symptoms

    • Oil level/oil-life warning light appearing well before scheduled change
    • Low oil on the dipstick with no visible leak
    • Burning-oil smell, faint blue exhaust on startup or hard deceleration
    • Ticking/lifter noise when oil runs low
    • Needing to add a quart between oil changes

    How to Fix

    Check oil at every fuel stop and keep it topped to the full mark; do not rely solely on the oil-life monitor. Ask the dealer to perform a documented oil-consumption test (measured top-offs over a set mileage) while under powertrain warranty - if consumption exceeds Ford's threshold (roughly 1 qt per 1,000 miles for warranty), short block / piston-and-ring replacement may be authorized. Cleaning a sticking PCV and addressing intake-valve carbon (top-engine clean or walnut blasting) can reduce consumption on DI-affected units.

    Typical repair cost:$0 - $8,000

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    High ConfidenceVerifiedReviewed Jun 2026

    On the 2015-2023 Ford Mustang 2.3L EcoBoost I4 (turbo), the 2.3L EcoBoost's turbocharger wastegate develops play in the actuator linkage - a missing/worn wave spring and a loose wastegate arm let the flapper rattle, and the actuator can stop holding boost. As it wears the engine logs P0299 (underboost) and drops into reduced-power limp mode, killing acceleration and making merging/passing unsafe. The rattle (audible at light throttle and on cold start) is the early warning; a disconnected actuator rod or leaking bypass valve produces the same code. It is a well-known Ford EcoBoost family failure that also affects the 2.3L Mustang.

    Common Symptoms

    • Rattling/buzzing from the turbo at light throttle or idle
    • Sudden loss of power / limp mode
    • Check-engine light with underboost code
    • Sluggish acceleration and poor merging power
    • Whistling or hissing boost leak

    How to Fix

    Diagnose P0299 by checking the wastegate actuator rod, e-clip, and for a missing wave spring; inspect the turbo bypass/diverter valve and all charge-pipe couplers for boost leaks before condemning the turbo. Remedies range from replacing or adjusting the wastegate actuator (and adding the wave spring) to recalibrating the actuator; severe shaft play or a damaged wastegate flapper requires turbocharger replacement.

    Typical repair cost:$150 - $2,200

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    High ConfidenceVerifiedReviewed Jun 2026
    Community reported
    8,000 owners

    On the 2015-2023 Ford Mustang 5.0L Coyote V8, two distinct tick patterns affect 5.0L Coyote V8 in 2015-2023 Mustang depending on engine generation. Gen 2 Coyote (2015-2017): light tick at idle and on cold start, commonly attributed to valve lash / lifter operation; generally cosmetic and not associated with engine damage. Gen 3 Coyote (2018-2023): louder, more pronounced tick — same family but Ford changed to plasma transferred wire arc (PTWA) cylinder liners. The tick is increasingly linked to piston slap from clearance issues against the plasma liner, with some confirmed cases of cylinder wall scoring requiring engine replacement under warranty. Direct injection (added on Gen 3 alongside port injection) contributes a separate fainter HPFP tick that is normal. Distinguishing: Gen 2 tick stays constant warm; Gen 3 piston slap diminishes as engine warms but returns under load. Owner forums (Mustang6G, MPR Racing Engines) document the Gen 3 pattern extensively.

    Common Symptoms

    • Tick or tap noise at idle
    • Typewriter-like clicking sound
    • Metallic rattle on cold start
    • Noise that diminishes when warm
    • Ticking more pronounced after oil change

    How to Fix

    Ford TSB 14-0156 addresses this as a normal characteristic, stating no repair should be attempted. Using Ford's recommended oil (Motorcraft 5W-20 or 5W-30) and changing oil at 5,000-mile intervals may help. For persistent issues, VCT solenoid replacement ($200-400) or cam phaser service ($1,500-3,000) may help.

    Typical repair cost:$0 - $3,000

    Research This Issue

    Based on 8,000 owner reports

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    High Confidence8,000 owner reportsLast reported by owners Feb 2024Reviewed Feb 2026
    Community reported
    5,000 owners

    On the 2015-2023 Ford Mustang, the MT82 6-speed manual transmission is notorious for multiple issues including gear grinding (especially 1st to 2nd and into 3rd gear when cold), high RPM lockout preventing shifts, notchy/difficult shifts, premature synchronizer wear, and in severe cases complete transmission failure. The transmission was originally designed for smaller four-cylinder vehicles and the synchronizers struggle to handle the Mustang's higher horsepower.

    Common Symptoms

    • Grinding noise when shifting into 2nd or 3rd gear
    • Difficulty shifting when transmission is cold
    • Notchy or stiff shifter feel
    • Gear lockout at high RPM
    • Popping out of gear
    • Clutch chatter or judder

    How to Fix

    Ford has released multiple TSBs including TSB 11-3-18 recommending lower viscosity transmission fluid for cold shift issues. Replacing OEM fluid with Motorcraft XT-M5-QS or aftermarket fluid like Royal Purple Synchromax can help. Severe cases may require synchronizer replacement ($800-1,500) or full transmission rebuild/replacement ($2,500-4,500). Some owners opt for aftermarket transmissions like the Tremec Magnum ($4,000-6,000 installed).

    Typical repair cost:$150 - $6,000

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    Based on 5,000 owner reports

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    High Confidence5,000 owner reportsLast reported by owners Feb 2024Reviewed Feb 2026
    Community reported
    2,500 owners

    On the 2018-2023 Ford Mustang, the 10R80 10-speed automatic transmission exhibits issues including harsh or jerky shifting, gear hunting (constantly searching for the right gear), hesitation during acceleration, unexpected downshifts, and transmission whining. The transmission's aluminum outer shells can develop divots where clutches stick, causing erratic shifts. Multiple class-action lawsuits have been filed.

    Common Symptoms

    • Harsh or jerky shifts
    • Transmission hunting between gears
    • Hesitation during acceleration
    • Unexpected hard downshifts
    • Whining noise from transmission
    • Rough engagement from stop

    How to Fix

    Ford has released software updates through dealer reprogramming that can improve shift quality. Ensure transmission fluid is at proper level and condition. For persistent issues, valve body replacement or transmission replacement may be required ($3,000-7,000).

    Typical repair cost:$0 - $7,000

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    Based on 2,500 owner reports

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    High Confidence2,500 owner reportsLast reported by owners Feb 2024Reviewed Feb 2026

    On the 2015-2023 Ford Mustang, s550 Mustangs with the 6-speed manual can have the clutch pedal stick on or near the floor and fail to return, most often during spirited or high-RPM driving and in hot weather. The cause is the hydraulic clutch actuation circuit - air ingestion, a degraded/flexing factory plastic clutch line, or pedal-assist spring interaction - so the master/slave (concentric) system can't fully extend the pedal back up. When it sticks the driver loses the ability to shift, which can be hazardous mid-drive. The behavior mirrors a long-standing prior-generation Mustang complaint and is widely reported across owner forums.

    Common Symptoms

    • Clutch pedal stays on the floor and won't spring back
    • Soft/light clutch pedal at high RPM
    • Inability to shift when pedal sticks
    • Problem worsens when hot or after hard driving
    • Pedal can be lifted back up by hand or toe

    How to Fix

    Properly vacuum-bleed the hydraulic clutch system to purge trapped air; verify fluid level and condition. The common durable fix owners report is replacing the failure-prone factory plastic hydraulic clutch line with a braided stainless steel line for better flow and heat tolerance; some also remove or adjust the over-center assist spring on the pedal. Persistent cases point to a failing concentric slave cylinder, which requires transmission removal to replace.

    Typical repair cost:$100 - $1,200

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    High ConfidenceVerifiedReviewed Jun 2026
    Community reported
    1,200 owners

    On the 2015-2023 Ford Mustang, the backup camera frequently exhibits intermittent operation, showing a black or blank screen when reverse is engaged. The issue is often caused by wiring being pinched in the trunk lid, corroded connections at the rear license plate light area, or a failing camera unit.

    Common Symptoms

    • Black or blank backup camera screen
    • Camera works intermittently
    • Fuzzy or distorted camera image
    • No image when shifting to reverse

    How to Fix

    First, inspect the wiring harness in the trunk lid hinge area for pinched or damaged wires. Check the rear license plate light wiring for corrosion. Clean all connections with electrical contact cleaner. If the camera unit has failed, replacement cameras cost $100-300 for aftermarket or $200-400 for OEM.

    Typical repair cost:$50 - $600

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    Based on 1,200 owner reports

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    Medium Confidence1,200 owner reportsLast reported by owners Feb 2024Reviewed Feb 2026
    Community reported
    800 owners

    On the 2015-2023 Ford Mustang, a small plastic clip called the brake pedal bumper/stopper can break and fall out of position, causing the brake light switch to remain constantly engaged. This results in brake lights staying on even when the pedal is released (including when the car is off, draining the battery), the engine going into limp mode limiting RPM to around 2,000, and transmission shifting issues.

    Common Symptoms

    • Brake lights stay on constantly
    • Brake lights on even with car off
    • Engine won't rev past 2000 RPM
    • Limp mode / reduced power
    • Dead battery
    • Cruise control won't engage

    How to Fix

    Replace the brake pedal bumper/stopper clip. The part costs $2-10 and can be installed in minutes without tools. Simply press the new bumper into the hole on the brake pedal bracket where the old one fell out. If the battery was deeply discharged, it may need to be replaced ($150-250).

    Typical repair cost:$2 - $250

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    Based on 800 owner reports

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    High Confidence800 owner reportsLast reported by owners Feb 2024Reviewed Feb 2026
    Community reported
    560 owners

    On the 2015-2020 Ford Mustang, the SYNC 3 infotainment system can freeze, display a black screen, or reboot randomly. This affects navigation, audio, and climate control displays. Issues are often caused by software bugs or APIM (Accessory Protocol Interface Module) hardware failures.

    Common Symptoms

    • Screen goes black randomly
    • System freezes and won't respond to touch
    • Repeated rebooting while driving
    • Bluetooth won't connect
    • Backup camera display issues
    • Navigation stops working

    How to Fix

    Perform a master reset of SYNC 3 system. Update to latest SYNC 3 software version via USB or dealer. If problems persist, APIM replacement may be necessary. Check for loose connections at the back of the head unit.

    Typical repair cost:$0 - $1,200

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    Based on 560 owner reports

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    High Confidence560 owner reportsLast reported by owners Feb 2024Reviewed Feb 2026
    Community reported
    480 owners

    On the 2015-2023 Ford Mustang, the HVAC blend door actuators can fail, causing clicking noises from the dashboard, inability to control air temperature, or air only blowing hot or cold. The actuators are plastic and prone to gear stripping. Multiple actuators may fail over time.

    Common Symptoms

    • Clicking or ticking noise from dashboard
    • HVAC only blows hot air
    • HVAC only blows cold air
    • Temperature doesn't change when adjusted
    • Air only comes from certain vents
    • Clicking noise when changing temperature

    How to Fix

    Replace failed blend door actuator (part numbers vary by position - typically YH-1779 for main blend door). Actuators are located behind the dashboard and require significant disassembly to access. Consider replacing all actuators at once if one fails, as others likely have similar wear.

    Typical repair cost:$50 - $400

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    Based on 480 owner reports

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    High Confidence480 owner reportsLast reported by owners Feb 2024Reviewed Feb 2026

    On the 2015-2021 Ford Mustang 5.0L Coyote V8, p0430 is the Bank 2 (driver-side) mirror of P0420 on the 5.0L Coyote Mustang. On 2018-2019 5.0L cars with the automatic, a set P0430 almost always points to a failed driver-side catalytic converter — this is a documented factory issue covered by Ford TSB 19-2201 for cars built on or before April 23, 2019. The TSB fix is replacing the Bank 2 converter assembly and reflashing the PCM. As with P0420, on higher-revving/lower-mileage cars many owners find the driver-side downstream O2 sensor is the real culprit and swap-testing the two downstream sensors isolates it. Aftermarket high-flow or off-road (catless) exhausts with active downstream O2 sensors will also throw P0430 unless the tune disables the rear sensor.

    Common Symptoms

    • Check engine light on
    • Failed emissions test
    • Minor loss of fuel economy
    • Usually no drivability symptoms
    • Possible sulfur smell under load

    How to Fix

    Rule out upstream misfire/fuel-trim/exhaust-leak causes, then swap-test the Bank 2 downstream O2 sensor with Bank 1. If the catalyst is confirmed inefficient, replace the driver-side catalytic converter per Ford TSB 19-2201 with PCM reprogram — often covered under the 8yr/80k federal emissions warranty. For cars running catless/high-flow exhaust, the correct fix is a tune that turns off rear O2 monitoring rather than a parts replacement.

    Typical repair cost:$120 - $1,600

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    High ConfidenceVerifiedReviewed Jul 2026

    On the 2015-2021 Ford Mustang 5.0L Coyote V8, on the Coyote 5.0L Mustang GT, P0420 sets when the Bank 1 (passenger-side) downstream oxygen sensor sees the rear catalyst behaving too much like the front sensor, meaning the catalyst is no longer scrubbing exhaust efficiently. On 2018-2019 5.0L cars this is a recognized factory problem addressed by Ford TSB 19-2201, which covers premature converter degradation on vehicles built on or before April 23, 2019. On lower-mileage cars the actual failure is frequently the downstream (rear) O2 sensor rather than the catalyst itself — a classic diagnostic step is swapping the Bank 1 and Bank 2 downstream sensors; if the code follows the sensor to the other bank, the sensor is bad. Genuine catalyst failure is usually secondary, triggered by upstream problems like a lingering misfire, rich fuel trims, or an exhaust leak dumping unmetered air into the pipe.

    Common Symptoms

    • Check engine light on (often steady)
    • No noticeable drivability change in mild cases
    • Failed emissions/smog test
    • Slightly reduced fuel economy
    • Possible sulfur/rotten-egg smell from exhaust

    How to Fix

    Diagnose in order: (1) confirm no misfire/fuel-trim/exhaust-leak codes first, (2) inspect the Bank 1 downstream O2 sensor and swap-test it against Bank 2, (3) if the catalyst is confirmed dead, replace the passenger-side catalytic converter (Ford TSB 19-2201 lists converter replacement plus PCM reprogram; repair is frequently covered under the 8-year/80,000-mile federal emissions warranty). Never install a new cat before fixing any upstream misfire or rich condition — unburned fuel will destroy the replacement.

    Typical repair cost:$120 - $1,600

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    On the 2015-2023 Ford Mustang, on the S550 Mustang (both 2.3L EcoBoost and 5.0L GT), P0442 (small EVAP leak) most commonly traces to the canister purge valve solenoid, a part Ford has revised through numerous part-number iterations because the original design fails repeatedly. EcoBoost owners report installing a purge valve that immediately sets a light, then a second or third revised valve that clears it — a sign of an ongoing manufacturing defect rather than a one-off. The next most common causes are a loose or worn gas cap (always check first — the car may even display a 'tighten gas cap' message) and cracked/split EVAP hoses or a leaking vent valve near the charcoal canister. Habitually topping off the fuel tank after the pump clicks off floods and damages the purge valve/canister, accelerating the failure.

    Common Symptoms

    • Check engine light on
    • No drivability change in most cases
    • Possible faint fuel smell
    • Slightly reduced fuel economy if purge valve stuck open
    • 'Tighten gas cap' message in some cases

    How to Fix

    Check and re-seat/replace the gas cap first. If the code persists, smoke-test the EVAP system to pinpoint the leak; the usual fix is replacing the canister purge valve solenoid with the latest revised Ford part number, then inspecting EVAP hoses and the vent valve for cracks. Stop topping off the tank to prevent repeat failures. Clear codes and complete a drive cycle to confirm the readiness monitor passes.

    Typical repair cost:$20 - $350

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    3,000 owners

    On the 2015-2023 Ford Mustang, the S550 Mustang's independent rear suspension (IRS) is prone to developing clunking or knocking noises when going over bumps, accelerating from a stop, or during cornering. Common causes include loose sway bar end links, loose subframe bolts, worn or binding shock mounts, loose lower control arm bolts, and rear axle nuts backing out.

    Common Symptoms

    • Clunk or knock over bumps
    • Noise when accelerating from stop
    • Rattling from rear end
    • Popping sound during cornering
    • Loose feeling in rear suspension

    How to Fix

    Inspect and re-torque all rear suspension fasteners including subframe bolts (85 ft-lbs), sway bar end links, lower control arm bolts, and shock mounts. All pivot points should be torqued with the vehicle at ride height. Replacing worn sway bar end links ($50-150) or shock mounts ($100-200) often resolves the issue.

    Typical repair cost:$50 - $600

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    Based on 3,000 owner reports

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    Medium Confidence3,000 owner reportsLast reported by owners Feb 2024Reviewed Feb 2026
    Community reported
    180 owners

    On the 2015-2023 Ford Mustang, performance Mustangs (GT350, GT500, Mach 1) that are tracked or driven hard can experience brake booster failures or vacuum leaks, causing a hissing sound and harder brake pedal feel. The standard brake booster is undersized for sustained track use.

    Common Symptoms

    • Hissing sound when pressing brake pedal
    • Hard brake pedal
    • Brake pedal doesn't return properly
    • Reduced brake assist
    • Brake warning light
    • Symptoms worse after track sessions

    How to Fix

    Replace brake booster with OEM or upgraded unit. Consider installing a brake booster delete kit with manual brake conversion for track-only vehicles. Ensure vacuum lines are in good condition. Upgrade to larger master cylinder if converting to manual brakes.

    Typical repair cost:$300 - $1,500

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    Based on 180 owner reports

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    Medium Confidence180 owner reportsLast reported by owners Feb 2024Reviewed Feb 2026

    ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM

    Ford Motor Company (Ford) is recalling certain 2020-2023 Mustang vehicles. The brake fluid level sensor may not activate the visual warning indicator when the brake fluid is low. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 135, "Light Vehicle Brake Systems."

    Campaign #23V72700027/10/2023

    STEERING:ELECTRIC POWER ASSIST SYSTEM

    Ford Motor Company (Ford) is recalling certain 2022-2023 Ford Mustang vehicles. The secondary steering torque sensor may not be calibrated properly, which can cause the steering wheel to turn side to side against the driver's intentions.

    Campaign #24V49300028/06/2024

    + 14 more recalls. Check all on NHTSA.gov

    Enter your VIN at NHTSA.gov to check recalls specific to your vehicle.

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    What is the 2015-2023 Ford Mustang Independent Rear Suspension Clunk and Noise Over Bumps?

    The S550 Mustang's independent rear suspension (IRS) is prone to developing clunking or knocking noises when going over bumps, accelerating from a stop, or during cornering. Common causes include loose sway bar end links, loose subframe bolts, worn or binding shock mounts, loose… Repairs typically run $50-$600. Severity: medium.

    What is the 2018-2023 Ford Mustang 10R80 10-Speed Automatic Harsh Shifting and Hesitation?

    The 10R80 10-speed automatic transmission exhibits issues including harsh or jerky shifting, gear hunting (constantly searching for the right gear), hesitation during acceleration, unexpected downshifts, and transmission whining. The transmission's aluminum outer shells can devel… Repairs typically run $0-$7,000. Severity: medium.

    What is the 2015-2023 Ford Mustang Backup Camera Intermittent Failure and Black Screen?

    The backup camera frequently exhibits intermittent operation, showing a black or blank screen when reverse is engaged. The issue is often caused by wiring being pinched in the trunk lid, corroded connections at the rear license plate light area, or a failing camera unit. Repairs typically run $50-$600. Severity: medium.

    What is the 2015-2023 Ford Mustang Brake Pedal Bumper Failure Causing Limp Mode and Battery Drain?

    A small plastic clip called the brake pedal bumper/stopper can break and fall out of position, causing the brake light switch to remain constantly engaged. This results in brake lights staying on even when the pedal is released (including when the car is off, draining the battery… Repairs typically run $2-$250. Severity: medium.

    What is the 2015-2023 Ford Mustang Brake Booster Hissing/Failure (Track-Driven)?

    Performance Mustangs (GT350, GT500, Mach 1) that are tracked or driven hard can experience brake booster failures or vacuum leaks, causing a hissing sound and harder brake pedal feel. The standard brake booster is undersized for sustained track use. Repairs typically run $300-$1,500. Severity: medium.

    What is the 2015-2021 Ford Mustang P0430 — Bank 2 Catalytic Converter Efficiency Loss (Driver-Side Cat, TSB 19-2201)?

    P0430 is the Bank 2 (driver-side) mirror of P0420 on the 5.0L Coyote Mustang. On 2018-2019 5.0L cars with the automatic, a set P0430 almost always points to a failed driver-side catalytic converter — this is a documented factory issue covered by Ford TSB 19-2201 for cars built on… Repairs typically run $120-$1,600. Severity: medium.

    What is the 2018-2020 Ford Mustang Gen 3 Coyote 5.0L Excessive Oil Consumption (2018-2020 GT)?

    The third-generation Coyote 5.0L V8 introduced in 2018 (added direct injection plus port injection) developed a reputation for burning oil with no external leaks, with many owners reporting the oil-life/oil-level light triggering as early as 3,000-5,000 miles and consumption exce… Repairs typically run $0-$8,000. Severity: medium.

    What is the 2015-2023 Ford Mustang Manual Transmission Hydraulic Clutch Pedal Sticks to the Floor?

    S550 Mustangs with the 6-speed manual can have the clutch pedal stick on or near the floor and fail to return, most often during spirited or high-RPM driving and in hot weather. The cause is the hydraulic clutch actuation circuit - air ingestion, a degraded/flexing factory plasti… Repairs typically run $100-$1,200. Severity: medium.

    What is the 2015-2023 Ford Mustang 2.3L EcoBoost Turbo Wastegate Rattle and P0299 Underboost / Limp Mode?

    The 2.3L EcoBoost's turbocharger wastegate develops play in the actuator linkage - a missing/worn wave spring and a loose wastegate arm let the flapper rattle, and the actuator can stop holding boost. As it wears the engine logs P0299 (underboost) and drops into reduced-power lim… Repairs typically run $150-$2,200. Severity: medium.

    What is the 2015-2021 Ford Mustang P0420 — Bank 1 Catalytic Converter Efficiency Loss (Passenger-Side Cat / Downstream O2 Sensor)?

    On the Coyote 5.0L Mustang GT, P0420 sets when the Bank 1 (passenger-side) downstream oxygen sensor sees the rear catalyst behaving too much like the front sensor, meaning the catalyst is no longer scrubbing exhaust efficiently. On 2018-2019 5.0L cars this is a recognized factory… Repairs typically run $120-$1,600. Severity: medium.

    What is the 2015-2023 Ford Mustang 5.0L Coyote Engine Tick/Knock Noise at Idle?

    Two distinct tick patterns affect 5.0L Coyote V8 in 2015-2023 Mustang depending on engine generation. Gen 2 Coyote (2015-2017): light tick at idle and on cold start, commonly attributed to valve lash / lifter operation; generally cosmetic and not associated with engine damage. Ge… Repairs typically run $0-$3,000. Severity: low.

    What is the 2015-2020 Ford Mustang SYNC 3 Infotainment Freezing/Black Screen?

    The SYNC 3 infotainment system can freeze, display a black screen, or reboot randomly. This affects navigation, audio, and climate control displays. Issues are often caused by software bugs or APIM (Accessory Protocol Interface Module) hardware failures. Repairs typically run $0-$1,200. Severity: low.

    What is the 2015-2023 Ford Mustang HVAC Blend Door Actuator Failure?

    The HVAC blend door actuators can fail, causing clicking noises from the dashboard, inability to control air temperature, or air only blowing hot or cold. The actuators are plastic and prone to gear stripping. Multiple actuators may fail over time. Repairs typically run $50-$400. Severity: low.

    What is the 2015-2023 Ford Mustang P0442 — Small EVAP Leak from Failing Canister Purge Valve (Recurring Revised Part)?

    On the S550 Mustang (both 2.3L EcoBoost and 5.0L GT), P0442 (small EVAP leak) most commonly traces to the canister purge valve solenoid, a part Ford has revised through numerous part-number iterations because the original design fails repeatedly. EcoBoost owners report installing… Repairs typically run $20-$350. Severity: low.