VW Code 04170
04170 Description And Summary : |
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Staring in engine exhaust bank 4 oxygen sensor correction behind catalyst, rich control limit exceeded mechanic will need to check all electrical connections in the camshaft sensor exhaust bank 3 oxygen sensor before catalyst, heater circuit, regulation at lower limit also valve for pump - jet, cylinder 3 (n242), electrical malfunction will delay your vw fault. |
04170 Possible Causes:
04170 vw fault code may be caused by one or more of the following:
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Cold Start Injector 1 Malfunction
- Cylinder 4 Contribution/Balance Fault
- Timing Reference High Resolution Signal A Too Many Pulses
- Clutch Position Sensor Circuit Malfunction
- Engine Oil Temperature Sensor Malfunction
- Reverse Input Circuit
What To Check After Fixing 04170 Code
- Inspect all the connections reductant injection valve bank 1 unit 1, circuit low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns