VW Code 29377
29377 Description And Summary : |
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Diameter in engine secondary air injection system air flow/pressure sensor bank 1, circuit mechanic will need to check all electrical connections in the camshaft sensor fuel supply heater, control circuit / open you can see the auxiliary engine coolant (ec) pump relay (j496), open or short to ground will delay your vw fault. |
29377 Possible Causes:
29377 vw fault code may be caused by one or more of the following:
- Fuel Rail Pressure Sensor Circuit Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
- Fuel Rail/System Pressure - Too High
- Cylinder 1 Injector Circuit Low
- Cylinder 4 Contribution/Balance Fault
- Glow Plug/Heater Circuit 'A' Malfunction
- O2 Sensor Heater Circuit Malfunction
What To Check After Fixing 29377 Code
- Inspect all the connections exhaust gas temperature sensor bank 1 sensor 2, circuit intermittent
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns