Au7o mascotAu7o
Known IssuesTest Hub demo
  1. Au7o
  2. /
  3. Known Issues
  4. /
  5. Porsche
  6. /
  7. Cayman
Porsche · Known Issues

2019 Porsche Cayman Problems: 2 Known Issues

2019 model year · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated September 2026

Share:@au7o.io

2019 · All trims · All engines

Choose the year and equipment for your written issues and visual request.

Known IssuesMotorcycle IssuesDTC LookupDrivePricingAboutTermsPrivacyCookiesConsentData rightsCopyrightFeedback
Share:@au7o.io

Vehicle data and repair guidance on this site are compiled with AI assistance and may contain errors. Always verify with your service manual or a qualified mechanic.

Data protection representation

DataRep representative in the United KingdomDataRep representative in the European Union
Au7o · 2026
Built for DIY mechanics. Privacy-first.
Explore free Hub demo
No email neededHow interest is saved

Interest applies to the selected vehicle and configuration; it is not a reservation. Voting stores a first-party identifier for up to 180 days to prevent repeat votes. No account or email is needed. Clearing cookies or using another device may count separately. Privacy

Visual coming soon

Your interest helps us choose what to build next.

Visual Known Issues · Coming soon

$4.99/month plus taxes at launch · No payment today

Preview the XT6 example
Issue summary

According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2019 Porsche Cayman has 2 documented known issues, with 2 rated critical. The most serious are 718 Cayman (982) Early Turbo-Four High Oil Consumption ($500-$8,000 repair) and 718 Cayman (982) Gasoline Particulate Filter (GPF/OPF) Failure ($2,500-$7,500 repair). Across all issues with published estimates, repair costs range from $500 to $8,000. DIY maintenance guides at au7o.io.

In This Article

  • Cayman Engine1
  • Cayman Emissions1
  • Recalls2
  • FAQ
Get Started
Back to top

In This Article

  • Engine1
  • Emissions1
  • Recalls2
  • FAQ

All 2 Known Issues

Filter:
ALL YEARS2021202020192018201720162015201420132012201120102009200820072006

On the 2017-2020 Porsche Cayman, a number of early 2.0L and 2.5L turbocharged flat-four 718 engines consume oil at a high rate — owners report roughly a quart per 1,000 miles, with the worst cases needing engine replacement under warranty. Some 2019 2.0L cars also suffered oil-separator (PCV) diaphragm failures that let oil be drawn into the cylinders, sometimes appearing right after an oil and filter change.

This issue also affects: Audi A4, SEAT Leon, Audi Q5

Common Symptoms

  • Frequent low-oil warnings
  • Needing to top up oil between services
  • Blue smoke from exhaust
  • Oil consumption ~1 quart per 1,000 miles

How to Fix

Document consumption with a Porsche oil-consumption test. Replace a failed air-oil separator / PCV diaphragm. Severely affected engines were replaced under warranty by Porsche; otherwise monitor level closely and top up with the correct specification oil between services.

What you need to fix it

Only diagnosis- and fitment-reviewed repair parts are linked here.

  • Genuine Porsche 0PC115099B complete oil separator

    Confirm VIN and order one 9A210747300 seal separately.

    PartsGeek
  • Genuine Porsche 9A210747300 oil-separator seal

    2017-2020 718 Cayman 2.0L/2.5L turbo source range; Porsche 9A210747300. This seal alone does not repair consumption.

    RM European
  • Genuine Porsche 9A210790400 AOS diaphragm

    2017-2020 Porsche 718 Cayman 2.0L/2.5L source range, part 9A210790400; do not use for housing, port, check-function, turbo or cylinder faults.

    Sierra Madre Collection

As an Amazon Associate, we earn from qualifying purchases; other part links may also earn au7o a commission. Confirm fitment by VIN before buying.

Typical repair cost:$500 - $8,000

Research This Issue

GoogleRedditYouTubeNHTSA
Community Reported
High ConfidenceVerifiedReviewed Jun 2026

On the 2019-2021 Porsche Cayman, eU-spec 718 Caymans built from the 2019 model year onward carry a gasoline particulate filter integrated into the catalytic converter assembly. A production-era software fault plus high oil-ash loading causes the GPF to clog and fail, often with no warning light beforehand. Because the GPF is bonded to the cat, replacement is extremely expensive, and Porsche classifies particulate filters as service/wear items excluded from warranty — a major pain point for European owners.

This issue also affects: Porsche 718 Boxster, SEAT Leon, Skoda Octavia

Common Symptoms

  • Engine control warning light
  • Reduced power / driveability issues
  • Increased fuel consumption
  • Sudden failure with no prior warning

How to Fix

Confirm the fault via diagnostics. Apply the updated GPF/OPF software where available and fit the revised filter (e.g. part 982 254 400 AF designed to resist the problem). Use the correct low-ash specification oil and avoid only short trips. Failed units require GPF/cat assembly replacement.

Typical repair cost:$2,500 - $7,500

Research This Issue

GoogleRedditYouTubeNHTSA
Community Reported
High ConfidenceVerifiedReviewed Jun 2026
NHTSA Recalls2 recalls

SUSPENSION

Porsche Cars North America, Inc. (Porsche) is recalling certain 2021 Porsche Taycan Turbo, Taycan Turbo S, Taycan, Taycan 4S, 911 Turbo S Coupe, Cayman, Cayman T, Cayman S, Cayman GT4, 911 Carrera Coupe, 911 Carrera S Coupe, 911 Carrera 4S Coupe, 911 Carrera 4S Targa, 911 Carrera Cabriolet, 911 Carrera S Cabriolet, 911 Carrera 4S Targa Heritage Design Edition, 911 Carrera 4S Cabriolet, 911 Turbo Coupe, 911 Turbo Cabriolet, 911 Turbo S Cabriolet, 718 Spyder, and Boxster vehicles. Certain suspension components may not have been tightened correctly and can loosen.

Campaign #21V15700010/03/2021

ENGINE

Porsche Cars North America, Inc. (Porsche) is recalling certain 2021 Porsche Cayman GT4, Cayman GTS 4.0, 718 Spyder, and Boxster GTS 4.0 vehicles. The engine connecting rods may crack and loosen.

Campaign #21V20000024/03/2021

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

🔧
A mechanic who knows YOUR exact car
Answers tuned to your year, make, model & trim — not generic advice. Save your garage so it always has the right context.
Get ahead of Porsche Cayman problems — free
Leave your email and we'll alert you the moment there's a new recall or known issue for your Porsche Cayman. Free, no account needed.

Don't see your problem? Describe your symptoms to get a diagnosis, or get a full repair guide.

Other Porsche Models

Porsche 91131Porsche 718 Boxster18Porsche Panamera17Porsche Taycan13Porsche Macan12Porsche 718 Cayman11

Frequently Asked Questions

What are the most common Porsche Cayman problems?

According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2019 Porsche Cayman has 2 documented issues. The most frequently reported are: 718 Cayman (982) Early Turbo-Four High Oil Consumption, 718 Cayman (982) Gasoline Particulate Filter (GPF/OPF) Failure. Of these, 2 are rated critical and should be addressed promptly.

Is the Porsche Cayman reliable?

The 2019 Porsche Cayman has 2 known issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 2 issues are rated critical: 718 Cayman (982) Early Turbo-Four High Oil Consumption and 718 Cayman (982) Gasoline Particulate Filter (GPF/OPF) Failure. 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 Porsche Cayman problems?

Repair costs for known Porsche Cayman issues range from $500 to $8,000, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, 718 Cayman (982) Early Turbo-Four High Oil Consumption, typically costs $500-$8,000 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.

What is the 2017-2020 Porsche Cayman 718 Cayman (982) Early Turbo-Four High Oil Consumption?

A number of early 2.0L and 2.5L turbocharged flat-four 718 engines consume oil at a high rate — owners report roughly a quart per 1,000 miles, with the worst cases needing engine replacement under warranty. Some 2019 2.0L cars also suffered oil-separator (PCV) diaphragm failures… Repairs typically run $500-$8,000. Severity: high.

What is the 2019-2021 Porsche Cayman 718 Cayman (982) Gasoline Particulate Filter (GPF/OPF) Failure?

EU-spec 718 Caymans built from the 2019 model year onward carry a gasoline particulate filter integrated into the catalytic converter assembly. A production-era software fault plus high oil-ash loading causes the GPF to clog and fail, often with no warning light beforehand. Becau… Repairs typically run $2,500-$7,500. 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 compiled from NHTSA recalls, manufacturer TSBs, automotive forums, and AI-assisted research. No aggregated owner-report counts available for this vehicle yet.