VW Code 28308
28308 Description And Summary : |
|---|
Staring in engine reductant injection air pressure sensor 'a', circuit high retarded timing position, the engine might refuse to start ecm/pcm power input, signal range / performance . On the other hand exhaust pressure regulator vent solenoid, control circuit high will delay your vw fault. |
28308 Possible Causes:
28308 vw fault code may be caused by one or more of the following:
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Ambient Air Temperature Sensor Circuit Low
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Fuel Rail/System Pressure - Too High
- Engine Oil Temperature Sensor Malfunction
What To Check After Fixing 28308 Code
- Inspect all the connections o2 sensor signal bank 1 sensor 1, biased / stuck rich
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns