P0268high severityPowertrain
Cylinder 3 Injection Circuit High
on 2003 Audi A6 3.0L V6 · AWD
What this code means
The PCM detects a high voltage condition in the cylinder 3 injector control circuit. This may result in improper fuel delivery to that cylinder.
Symptoms
- Misfire on cylinder 3
- Rough idle
- Reduced engine power
Common causes
- Faulty cylinder 3 injector
- Short to voltage in injector wiring
- Open injector circuit
- Faulty PCM
Diagnostic steps
- Retrieve trouble codes
- Check cylinder 3 injector wiring for shorts
- Test injector operation
- Repair wiring or replace injector
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