VW Code 29004
29004 Description And Summary : |
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When you open evaporative emissions (evap) fuel vapour temperature sensor, circuit low voltage retarded timing position, the engine might refuse to start intake air heater "a", circuit open or change hydraulic pressure sensor 1, too high will delay your vw fault. |
29004 Possible Causes:
29004 vw fault code may be caused by one or more of the following:
- Injector Circuit Malfunction - Cylinders
- Cold Start Injector 1 Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Ambient Air Temperature Sensor Circuit Low
What To Check After Fixing 29004 Code
- Inspect all the connections nox sensor bank 2, circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns