17654/P1246/004678
From Ross-Tech Wiki
17654/P1246/004678 - Needle Lift Sensor (G80): Implausible Signal
Possible Symptoms
- Malfunction Indicator Light (MIL) ON
- Engine misfiring/juddering/running rough
- Engine shutting down
Possible Causes
- Fuel Supply interrupted/faulty
- Fuel Tank (temporary) empty
- Fuel Filter blocked
- Air in Fuel System
- Wiring and/or Connector(s) from/to Needle Lift Sensor (G80) faulty
- Needle Lift Sensor (G80) faulty
- Injection Pump faulty
Possible Solutions
- Check Fuel Supply
- Check Fuel Level
- Check/Replace Fuel Filter
- Check for Air in Fuel System
- Check Wiring and/or Connector(s) from/to Needle Lift Sensor (G80)
- Check/Replace Needle Lift Sensor (G80)
- Check Injection Pump
Special Notes
- Might by stored with other codes like 17656/P1248/004680.