Powertrain
generic / SAE
P2B0B
Cold Start Cylinder 4 Injection Pulse Performance
During cold start, the ECM detects that the injection pulse on cylinder 4 does not produce the expected combustion result. Cold-start specific pulse calibration deviates from learned values.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / numberB / 0B
Possible causes
- Injector behaviour drifts at low temperature high
- Poor fuel atomization at cold start medium
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 200–1500 €
- Estimated time: 1–6 h
- Component: fuel injector cyl 4
- Component: cold start calibration
- MIL / check engine light
- emissions-relevant
- drive cycle required
Sources
References
sae:J2012