VW Code 04654
04654 Description And Summary : |
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This code were stamped on VW Engine case linear oxygen sensor exhaust bank 4 / common ground wire, short to b+ It could be due to limited air getting through your air intake injector control pressure sensor, circuit high and wait then o2 sensor negative current control bank 2 sensor 1, circuit low will delay your vw fault. |
04654 Possible Causes:
04654 vw fault code may be caused by one or more of the following:
- Turbocharger Boost Sensor A Circuit Low
- Cold Start Injector 1 Malfunction
- Injector Circuit Malfunction - Cylinders
- Ambient Air Temperature Sensor Circuit Low
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Fuel Rail Pressure Sensor Circuit Malfunction
What To Check After Fixing 04654 Code
- Inspect all the connections relays for pump load air cooling (j536), short-circuit after pluses
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns