Subaru · Known Issues
2002-2025 Subaru WRX Problems: 31 Known Issues
2002-2025 model years · 6,380+ owner reports · Updated September 2026
All years · All trims · All engines
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2002-2025 model years · 6,380+ owner reports · Updated September 2026
All years · All trims · All engines
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According to Au7o's analysis of 6,380+ owner reports, the 2002-2025 Subaru WRX has 31 documented known issues, with 9 rated critical. The most serious are Piston Ringland Failure ($4,000-$10,000 repair), Firewall Spot-Weld Cracking and Clutch Pedal Bracket Flex Causing Hard Shifting or Clutch Engagement Problems ($400-$1,800 repair), Front Driveshaft Outer-Race Quench Cracking Leading to Fracture and Power Loss (Recall 23V-754) ($0-$900 repair), Denso Low-Pressure Fuel Pump Impeller Deformation Causing Engine Stall (Recall 21V-587) ($0-$700 repair), Engine Fuel Delivery Line-to-Hose Connection Seeping Fuel on Cold Starts Causing Raw Fuel Smell (Recall 09V-468) ($0-$500 repair), EJ255 Turbocharger Oil Starvation from Clogged Banjo-Bolt Filter Screen Causing Turbo Failure and AVCS Timing Codes ($150-$2,500 repair), EJ255 Oil Pickup Tube Brazed-Joint Cracking Leading to Oil Starvation and Spun Rod Bearings ($300-$8,000 repair), Brake Line Corrosion at Four-Way Joint from Salt-Water Intrusion Causing Fluid Leak and Long Pedal (Recall 14V-311) ($0-$600 repair) and Takata Airbag Inflator Rupture Risk on 2003-2014 Impreza WRX (Multiple Recall Campaigns) ($0-$0 repair). The most commonly reported issue is Throttle Rev-Hang (Slow RPM Drop) with 1,200 owner reports. Across all issues with published estimates, repair costs range from $50 to $10,000. DIY maintenance guides at au7o.io.
EXTERIOR LIGHTING:BACK UP LIGHTS:SWITCH
Subaru of America, Inc. (Subaru) is recalling certain 2015-2021 WRX vehicles. The backup light switch may corrode and become inoperative, which can result in the backup lights not illuminating and the rearview camera image not displaying when the vehicle is in reverse.
EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
Subaru of America, Inc. (Subaru) is recalling certain 2022 WRX vehicles equipped with the "Eyesight" feature. The owner's manual may contain incorrect instructions for adjusting the sensitivity of the High Beam Assist function. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, "Lamps, Reflective Devices, and Associated Equipment."
POWER TRAIN:DRIVELINE:DRIVESHAFT
Subaru of America, Inc. (Subaru) is recalling certain 2024 Crosstrek, Impreza, 2023-2024 Forester, and 2023 WRX vehicles. The front driveshaft assemblies' outer race may develop cracks and break.
Enter your VIN at NHTSA.gov to check recalls specific to your vehicle.
Don't see your problem? Describe your symptoms to get a diagnosis, or get a full repair guide.
According to Au7o's analysis of 6,380+ owner reports, the 2002-2025 Subaru WRX has 31 documented issues. The most frequently reported are: Piston Ringland Failure, Firewall Spot-Weld Cracking and Clutch Pedal Bracket Flex Causing Hard Shifting or Clutch Engagement Problems, Front Driveshaft Outer-Race Quench Cracking Leading to Fracture and Power Loss (Recall 23V-754). Of these, 9 are rated critical and should be addressed promptly.
The 2002-2025 Subaru WRX has 31 known issues documented across 6,380+ owner reports. 9 issues are rated critical: Piston Ringland Failure and Firewall Spot-Weld Cracking and Clutch Pedal Bracket Flex Causing Hard Shifting or Clutch Engagement Problems and Front Driveshaft Outer-Race Quench Cracking Leading to Fracture and Power Loss (Recall 23V-754) and Denso Low-Pressure Fuel Pump Impeller Deformation Causing Engine Stall (Recall 21V-587) and Engine Fuel Delivery Line-to-Hose Connection Seeping Fuel on Cold Starts Causing Raw Fuel Smell (Recall 09V-468) and EJ255 Turbocharger Oil Starvation from Clogged Banjo-Bolt Filter Screen Causing Turbo Failure and AVCS Timing Codes and EJ255 Oil Pickup Tube Brazed-Joint Cracking Leading to Oil Starvation and Spun Rod Bearings and Brake Line Corrosion at Four-Way Joint from Salt-Water Intrusion Causing Fluid Leak and Long Pedal (Recall 14V-311) and Takata Airbag Inflator Rupture Risk on 2003-2014 Impreza WRX (Multiple Recall Campaigns). 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.
Repair costs for known Subaru WRX issues range from $0 to $10,000, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, Piston Ringland Failure, typically costs $4,000-$10,000 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
Reliability varies across model years of the Subaru WRX. Based on documented issues, problems are most commonly reported in earlier model years. Au7o recommends checking the specific known issues for your target year before purchasing, and having a pre-purchase inspection performed by a qualified mechanic. Our known issues database covers the 2002-2025 Subaru WRX with 31 documented issues documented across 6,380+ owner reports.
The FA20DIT engine can suffer from piston ringland failure, especially when tuned or running high boost. The ringland (area between piston rings) can crack, causing compression loss and engine damage. This is often related to detonation from improper tuning or low octane fuel. Repairs typically run $4,000-$10,000. Severity: high.
On GD-chassis WRX models, repeated clutch pedal loads can crack the firewall around the clutch master cylinder and pedal bracket mounting area. Owners report the pedal assembly moving, popping noises from the firewall, inconsistent clutch engagement, and difficulty selecting gear… Repairs typically run $400-$1,800. Severity: high.
NHTSA safety recall 23V-754 (Subaru campaign WRP-23) covers front drive-shaft (half-shaft) assemblies whose CV-joint outer race may crack. A hole in a cooling-water pipe on the supplier's heat-treat line reduced cooling-water flow, improperly cooling the inner surface of the race… Repairs typically run $0-$900. Severity: high.
2018-2019 WRX vehicles received Denso in-tank low-pressure fuel pumps whose impellers were made at too low a density and over-exposed to a drying agent; the impeller absorbs fuel, swells, and rubs the pump body until the pump slows or seizes. Drivers see a hesitation, rough runni… Repairs typically run $0-$700. Severity: high.
On 2002-2003 Impreza WRX (EJ205), the connection between a metal fuel delivery line and a rubber hose under the intake manifold can seep fuel during initial cold start in very low ambient temperatures, producing a strong raw-fuel smell in the cabin and engine bay and a fire risk. Repairs typically run $0-$500. Severity: high.
On the EJ255-powered WRX (2006-2014), the turbocharger oil-supply banjo (union) bolt and the AVCS oil-supply banjo bolts contain small mesh filter screens. Over time the screens load up with sludge and debris, restricting oil flow to the turbo center section (and to the AVCS cam-… Repairs typically run $150-$2,500. Severity: high.
The factory oil pump pickup tube on 2008-2014 EJ255 WRX engines is a thin steel tube with a brazed joint that can crack with heat cycling and vibration. A cracked pickup sucks air instead of oil, dropping oil pressure under load and cornering, which starves the rod bearings. Owne… Repairs typically run $300-$8,000. Severity: high.
On 2008-2014 Impreza WRX (and 2008-2011 Impreza, 2009-2013 Forester) operated in salt-belt states, salty water can splash through a gap in the fuel tank protector onto the brake-line four-way joint connector, corroding the lines until brake fluid leaks. Owners notice a sinking pe… Repairs typically run $0-$600. Severity: high.
Impreza WRX models from roughly 2003 through 2014 were built with Takata phase-stabilized ammonium nitrate airbag inflators (driver and/or passenger side, depending on year and expansion phase). After years of humidity and temperature cycling the propellant degrades and the infla… Repairs typically run $0-$0. Severity: high.
The FA20DIT engine can consume oil at a rate higher than expected, sometimes up to 1 quart every 1,000-3,000 miles. This is often related to the turbocharger, PCV system, or piston ring design. Subaru considers up to 1 quart per 1,200 miles as within normal range. Repairs typically run $0-$3,000. Severity: medium.
For 2024+ WRX models equipped with the Subaru Performance Transmission, owners have reported EyeSight and related driver-assistance features becoming unavailable, often accompanied by warning messages and disabled adaptive cruise or pre-collision functions. This is well documente… Repairs typically run $0-$1,800. Severity: medium.
Owners of the current WRX have documented a pronounced rear driveline whine or howl, most noticeable during steady-state cruising between roughly 45 and 75 mph. Reports commonly describe the noise as coming from the rear of the vehicle and changing with road speed rather than eng… Repairs typically run $120-$2,500. Severity: medium.
Turbo EJ255/EJ257 WRX models equipped with the secondary air injection system commonly develop failures of the air pump, pressure sensor, or the air switching valves. Moisture intrusion and corrosion can cause the valves to stick or the pump to seize, which sets emissions faults… Repairs typically run $700-$2,200. Severity: medium.
Rust-belt GD-chassis WRX models are known for corrosion of the steel fuel filler neck and vent tubes behind the left rear wheel area. As the neck rusts through, owners notice a raw fuel smell, difficulty filling the tank, or EVAP leak codes from the compromised venting system. Su… Repairs typically run $300-$900. Severity: medium.
Turbo WRX intake manifolds carry tumble generator valves — butterfly plates in each runner driven by a small electric actuator with a position sensor. The original valve shaft material corrodes from EGR/condensation and binds, or the actuator motor/sensor fails, and the ECU logs… Repairs typically run $350-$1,200. Severity: medium.
Multiple VB-generation WRX owners have reported oil leaking from the turbocharger oil feed area, often traced to the banjo bolt or sealing washers on the turbo oil supply line. The leak typically shows up as a burning oil smell after driving, light smoke from the engine bay, or v… Repairs typically run $150-$700. Severity: medium.
A common WRX complaint is a groaning or whining power steering system, especially when cold, often traced to the pump inlet O-ring or suction hose allowing air into the system. Aerated fluid becomes foamy in the reservoir and steering assist can feel inconsistent or heavy at low… Repairs typically run $50-$700. Severity: medium.
Owners of the WRX 5-speed (2008-2014 GR/GV) and 6-speed manual (2015+ VA WRX and the STI 6MT) gearboxes widely report grinding or 'crunching' when shifting into 2nd or 3rd gear, worst on higher-RPM/aggressive shifts and when the transmission is cold. The root cause is premature w… Repairs typically run $200-$3,500. Severity: medium.
Many 2002-2014 WRX owners report coolant leaks from the crimped plastic end tanks of the factory radiator, especially as the car ages and sees repeated heat cycles. Cracks often form near the upper tank seam or hose neck, leading to a sweet coolant smell, low coolant level, and e… Repairs typically run $250-$900. Severity: medium.
The 2015-2021 WRX's FA20DIT is direct-injected, so no fuel washes over the backs of the intake valves. Oil vapor from the PCV system and blow-by bakes onto the valves and ports, and owners tearing into engines at 40k-80k miles find heavy coking. Symptoms build gradually: rough co… Repairs typically run $400-$1,200. Severity: medium.
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.