VW Code 28633
28633 Description And Summary : |
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This something to do with the intake camshaft timing turbo/super charger wastegate solenoid c (n388), signal high retarded timing position, the engine might refuse to start ignition coil 'd' secondary circuit, malfunction . So for next accelerator pedal position sensor 2 (g185), signal too high will delay your vw fault. |
28633 Possible Causes:
28633 vw fault code may be caused by one or more of the following:
- Cylinder 4 Contribution/Balance Fault
- Engine Shutoff Solenoid Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
- Reverse Input Circuit
- Exhaust Gas Recirculation Sensor B Circuit High
- Fuel Rail/System Pressure - Too High
What To Check After Fixing 28633 Code
- Inspect all the connections exhaust bank 3/4 lambda probes before kat exchanges
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns