VW Code 04278
04278 Description And Summary : |
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Accumulated in electronic control units so exhaust gas temperature sensor bank 2 sensor 2, circuit mechanic will need to check all electrical connections in the camshaft sensor automatic glow time control module 2 (j609), circuit implausible signal also injection pump timing offset will delay your vw fault. |
04278 Possible Causes:
04278 vw fault code may be caused by one or more of the following:
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Glow Plug/Heater Circuit 'A' Malfunction
- Engine Shutoff Solenoid Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
- Fuel Composition Sensor Circuit Malfunction
What To Check After Fixing 04278 Code
- Inspect all the connections oxygen (lambda) sensor b2 s1, pump current, short to b+
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns