OBD-II code · Powertrain (generic)
P02A5 Cylinder 3 - Injector Leaking
Cylinder 3 injector leaking fuel between commanded openings. A flow-deviating injector throws off cylinder balance — adjacent cylinders run leaner/richer to compensate, often masking the root cause until the trim limit is hit.
Is it safe to drive with P02A5?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyInjector leaking
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
- P029DCylinder 1 - Injector Leaking
- P02A1Cylinder 2 - Injector Leaking
- P02A9Cylinder 4 - Injector Leaking
- P02ADCylinder 5 - Injector Leaking
- P02B1Cylinder 6 - Injector Leaking
- P02B5Cylinder 7 - Injector Leaking
- P02B9Cylinder 8 - Injector Leaking
- P02BDCylinder 9 - Injector Leaking
- P02C1Cylinder 10 - Injector Leaking
- P02C5Cylinder 11 - Injector Leaking
- P02C9Cylinder 12 - Injector Leaking
- P02A2Cylinder 3 - Fuel Trim at Max Limit
- P02A3Cylinder 3 - Fuel Trim at Min Limit
- P02A4Cylinder 3 - Injector Restricted
- P02A6Cylinder 4 - Fuel Trim at Max Limit
- P02A7Cylinder 4 - Fuel Trim at Min Limit
- P02A8Cylinder 4 - Injector Restricted
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.