P0328moderate severityPowertrain
Knock Sensor 1 Circuit High Input Bank 1
on 2000-2003 Audi S6 4.2L V8 · AWD
What this code means
High voltage from knock sensor 1, Bank 1.
Symptoms
- Check Engine Light
- Excessive timing retard
Common causes
- Short to voltage
- Faulty sensor
- Engine mechanical issue
Diagnostic steps
- Test voltage
- Check for shorts
- Investigate engine noise
Repair notes
Replace sensor. Check for engine issues.
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