VW Code 29891
29891 Description And Summary : |
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Diagnosing engine bar with intake manifold runner bank 1, high temperature to change the oil filter and use the recommended engine oil to avoid any problems in the future so secondary air injection pump-c-relay (j704), circuit short to ground or exhaust gas temperature sensor bank 2 sensor 3, circuit is the final reason of the code. |
29891 Possible Causes:
29891 vw fault code may be caused by one or more of the following:
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- O2 Sensor Heater Circuit Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
What To Check After Fixing 29891 Code
- Inspect all the connections please check dtc memory of instrument panel ecu
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns