OBD-II code · Powertrain (generic, extended)
P2DE2 Cold Start Fuel Injection Quantity D Lower Than Expected
During cold start, the measured fuel injection quantity for group D is below the calibrated cold-start window. Cold-start strategy or injector flow drift.
Is it safe to drive with P2DE2?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyInjectors partially clogged
- PossibleFuel rail pressure low
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 D, Fuel Rail, Ecm
Related codes
- P027ECold Start Fuel Injection Quantity A Lower Than Expected
- P2DD7Cold Start Fuel Injection Quantity B Lower Than Expected
- P2DE0Cold Start Fuel Injection Quantity C Lower Than Expected
- P2DDFFuel Injection Quantity D Higher Than Expected
- P2DE1Cold Start Fuel Injection Quantity C Higher Than Expected
- P2DE3Cold Start Fuel Injection Quantity D Higher Than Expected
- P2DE4Drive Motor A Clutch Stuck Engaged
- P2DE5Drive Motor A Clutch Stuck Disengaged
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.