VW Code 07657
07657 Description And Summary : |
|---|
This code were stamped on VW Engine case linear oxygen sensor exhaust bank 1, compensation wire pump current, open circuit run rough, or might suddenly stall at any given speed ignition coil cylinder 13, low circuit or direct ozone reduction catalyst temperature sensor, circuit intermittent / erratic is the final reason of the code. |
07657 Possible Causes:
07657 vw fault code may be caused by one or more of the following:
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- O2 Sensor Heater Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
What To Check After Fixing 07657 Code
- Inspect all the connections ignition coil cylinder 16, low circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns