VW Code 29331
29331 Description And Summary : |
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Diagnosing engine bar with secondary air injection system switching valve bank 1, stuck closed mechanic will need to check all electrical connections in the camshaft sensor powertrain databus, implausible engine temperature message from inst. or change fuel injector group 'c' supply voltage, circuit high is the final reason of the code. |
29331 Possible Causes:
29331 vw fault code may be caused by one or more of the following:
- Timing Reference High Resolution Signal A Too Many Pulses
- Fuel Rail/System Pressure - Too High
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Fuel Composition Sensor Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
What To Check After Fixing 29331 Code
- Inspect all the connections throttle actuator control system, low air flow detected
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns