OBD-II code · Powertrain (generic, extended)
P2DE1 Cold Start Fuel Injection Quantity C Higher Than Expected
During cold start, the measured fuel injection quantity for group C is above the calibrated cold-start window. Cold-start strategy or injector flow drift.
Is it safe to drive with P2DE1?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyInjector leaking
- PossibleFuel rail pressure high
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 Group C, Fuel Rail, Ecm
Related codes
- P027FCold Start Fuel Injection Quantity A Higher Than Expected
- P2DD8Cold Start Fuel Injection Quantity B Higher Than Expected
- P2DE3Cold Start Fuel Injection Quantity D Higher Than Expected
- P2DDEFuel Injection Quantity D Lower Than Expected
- P2DDFFuel Injection Quantity D Higher Than Expected
- P2DE0Cold Start Fuel Injection Quantity C Lower Than Expected
- P2DE2Cold Start Fuel Injection Quantity D Lower Than Expected
- P2DE4Drive Motor A Clutch Stuck Engaged
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.