VW Code 28971
28971 Description And Summary : |
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Diagnosing engine bar with 'b' rocker arm actuator control, circuit low to change the oil filter and use the recommended engine oil to avoid any problems in the future so secondary air injection system pump bank 2, stuck off . On the other hand pressure sensor for brake boost (g294), short to plus will delay your vw fault. |
28971 Possible Causes:
28971 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor B Circuit Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Engine Shutoff Solenoid Malfunction
What To Check After Fixing 28971 Code
- Inspect all the connections throttle/pedal position sensor 'c', minimum stop performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns