Powertrain
generic / SAE
P2146
Fuel Injector Group A Supply Voltage Circuit/Open
The ECU detects an open or missing supply voltage on injector group A. The injectors of this bank cannot be energized; the affected cylinders may not fire and the engine runs rough or stalls.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number1 / 46
Possible causes
- Blown injector fuse high
- Faulty injector supply relay medium
- Open in supply wiring 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: possible
- Estimated cost: 80–400 €
- Estimated time: 0.3–1.5 h
- Component: fuel injector
- Component: injector supply relay
- Component: injector wiring
- MIL / check engine light
- emissions-relevant
- drive cycle required
- limp mode possible
Sources
References
sae:J2012