Powertrain
generic / SAE
P268A
Fuel Injector Calibration Not Learned/Programmed
After injector replacement the engine controller did not receive the per-injector flow calibration codes (IMA, ISA, IMV). Cylinder balance and emissions are out of tolerance.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number6 / 8A
Possible causes
- Injector calibration codes not entered after replacement high
- Wrong codes entered for the wrong cylinder positions medium
Symptoms
- Check engine light on
- Misfire or rough idle on the affected cylinder
- Increased fuel consumption
- Possible fuel smell or smoke from exhaust
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 80–300 €
- Estimated time: 0.5–1.5 h
- Component: fuel injectors
- Component: control module
- MIL / check engine light
- emissions-relevant
Sources
References
sae:J2012