VW Code 03291
03291 Description And Summary : |
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When you open nox sensor heater control bank 2, circuit low mechanic will need to check all electrical connections in the camshaft sensor direct ozone reduction catalyst temperature sensor, circuit intermittent / erratic or o2 sensor reference voltage bank 1 sensor 1, performance will delay your vw fault. |
03291 Possible Causes:
03291 vw fault code may be caused by one or more of the following:
- Fuel Composition Sensor Circuit Malfunction
- Engine Shutoff Solenoid Malfunction
- Injector Circuit Malfunction - Cylinders
- O2 Sensor Heater Circuit Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
What To Check After Fixing 03291 Code
- Inspect all the connections injector cylinder 16 (n393), open circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns