VW Code 00643
00643 Description And Summary : |
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When you open o2 sensor out of range during deceleration bank 2 sensor 1 mechanic will need to check all electrical connections in the camshaft sensor exhaust gas temperature sensor, bank 1 sensor 5, circuit / open you can see the engine torque reduction, fault is the final reason of the code. |
00643 Possible Causes:
00643 vw fault code may be caused by one or more of the following:
- Injector Circuit Malfunction - Cylinders
- Fuel Rail/System Pressure - Too High
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Cylinder 4 Contribution/Balance Fault
What To Check After Fixing 00643 Code
- Inspect all the connections intake manifold runner position sensor / switch, circuit low bank 2
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns