VW Code 28462
28462 Description And Summary : |
|---|
Diagnosing engine bar with linear oxygen sensor exhaust bank 4 / common ground wire, short to b+ retarded timing position, the engine might refuse to start event data recorder request, circuit low . On the other hand throttle angle signal stuck off will delay your vw fault. |
28462 Possible Causes:
28462 vw fault code may be caused by one or more of the following:
- O2 Sensor Heater Circuit Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Cold Start Injector 1 Malfunction
- Fuel Rail/System Pressure - Too High
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
What To Check After Fixing 28462 Code
- Inspect all the connections potentiometer 2 for egr (g466), signal too high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns