P0183moderate severityPowertrain
Fuel Temperature Sensor A Circuit High
on 2009 Audi Q7 3.0L Supercharged V6 · AWD
What this code means
The PCM detects a high voltage signal from fuel temperature sensor A. The sensor reading is out of range on the high side.
Symptoms
- Check engine light on
- Hard starting
- Poor drivability
Common causes
- Faulty fuel temperature sensor
- Open circuit in wiring
- Short to voltage
- Faulty PCM
Diagnostic steps
- Scan for stored codes and freeze frame
- Check fuel temp sensor signal voltage
- Inspect wiring for opens or shorts to power
- Replace fuel temperature sensor if faulty
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