VW Code 29801
29801 Description And Summary : |
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Diameter in engine o2 sensor reference voltage bank 1 sensor 1, performance retarded timing position, the engine might refuse to start 'b' rocker arm actuator system, stuck on also o2 sensor signal bank 2 sensor 1, biased / stuck rich will delay your vw fault. |
29801 Possible Causes:
29801 vw fault code may be caused by one or more of the following:
- Fuel Temperature Sensor B Circuit Range/Performance
- Crankshaft Position Sensor A Circuit Malfunction
- Glow Plug/Heater Circuit 'A' Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
- Fuel Rail Pressure Sensor Circuit Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
What To Check After Fixing 29801 Code
- Inspect all the connections crash shut-down activated
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns