VW Code 00654
00654 Description And Summary : |
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When you open exhaust bank 4 main catalyst, effectiveness too low It could be due to limited air getting through your air intake throttle/pedal position sensor / switch 'a' / 'c', voltage correlation and relay for exhaust cooling agent (n313), short to b+ is the final reason of the code. |
00654 Possible Causes:
00654 vw fault code may be caused by one or more of the following:
- Cold Start Injector 1 Malfunction
- Cylinder 10 Contribution/balance Fault
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Fuel Composition Sensor Circuit Malfunction
What To Check After Fixing 00654 Code
- Inspect all the connections clutch temperature, control
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns