OBD-II code · Powertrain (generic)
P02A2 Cylinder 3 - Fuel Trim at Max Limit
Per-cylinder fuel trim on cylinder 3 has reached its maximum correction limit. Cylinder running too lean structurally.
Is it safe to drive with P02A2?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyInjector clogged on cylinder 3
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Often, with basic tools
- Typical labour
- 1–5 h
- Emissions test
- Likely to fail
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Injector Cyl3
Related codes
- P029ACylinder 1 - Fuel Trim at Max Limit
- P029ECylinder 2 - Fuel Trim at Max Limit
- P02A6Cylinder 4 - Fuel Trim at Max Limit
- P02AACylinder 5 - Fuel Trim at Max Limit
- P02AECylinder 6 - Fuel Trim at Max Limit
- P02B2Cylinder 7 - Fuel Trim at Max Limit
- P02B6Cylinder 8 - Fuel Trim at Max Limit
- P02BACylinder 9 - Fuel Trim at Max Limit
- P02BECylinder 10 - Fuel Trim at Max Limit
- P02C2Cylinder 11 - Fuel Trim at Max Limit
- P02C6Cylinder 12 - Fuel Trim at Max Limit
- P029FCylinder 2 - Fuel Trim at Min Limit
- P02A0Cylinder 2 - Injector Restricted
- P02A1Cylinder 2 - Injector Leaking
- P02A3Cylinder 3 - Fuel Trim at Min Limit
- P02A4Cylinder 3 - Injector Restricted
- P02A5Cylinder 3 - Injector Leaking
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.