OBD-II code · Powertrain (generic)
P027F Cold Start Fuel Injection Quantity A Higher Than Expected
During cold start injection quantity A is above commanded — over-fueling, possible flooding.
Is it safe to drive with P027F?
Usually safe for short trips, but don’t ignore it: the underlying fault can get more expensive over time.
Common causes
- Most likelyInjector leaking
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1.5–8 h
- Emissions test
- Likely to fail
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Fuel Injectors
Related codes
- P2DD8Cold Start Fuel Injection Quantity B Higher Than Expected
- P2DE1Cold Start Fuel Injection Quantity C Higher Than Expected
- P2DE3Cold Start Fuel Injection Quantity D Higher Than Expected
- P027CFuel Pump Module B Control Circuit Low
- P027DFuel Pump Module B Control Circuit High
- P027ECold Start Fuel Injection Quantity A Lower Than Expected
- P0280Cylinder 7 Injector A Circuit High
- P0281Cylinder 7 Contribution/Balance
- P0282Cylinder 8 Injector A Circuit Low
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.