OBD-II code · Powertrain (generic, extended)
P2C5F Cylinder 7 Fuel Injector B Offset Learning At Max Limit
The injector offset adaptation for fuel injector B on cylinder 7 has reached the maximum learning limit. Injector flow trends above nominal beyond compensation.
Is it safe to drive with P2C5F?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyInjector leaking - increased flow
- PossibleLocal rail pressure drift high
Symptoms
- Check engine light on
- Misfire or rough idle on the affected cylinder
- Increased fuel consumption
- Possible fuel smell or smoke from exhaust
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–6 h
- Emissions test
- Likely to fail
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Fuel Injector B Cyl 7, Ecm
Related codes
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- P02DDCylinder 9 Fuel Injector A Offset Learning At Max Limit
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- P2C61Cylinder 8 Fuel Injector B Offset Learning At Max Limit
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Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.