Powertrain
generic / SAE
P2DD7
Cold Start Fuel Injection Quantity B Lower Than Expected
During cold start, the measured fuel injection quantity for group B is below the calibrated cold-start window. Cold-start strategy or injector flow drift.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / numberD / D7
Possible causes
- Injectors partially clogged high
- Fuel rail pressure low medium
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 200–1500 €
- Estimated time: 1–6 h
- Component: fuel injector group b
- Component: fuel rail
- Component: ecm
- MIL / check engine light
- emissions-relevant
- drive cycle required
Sources
References
sae:J2012