VW Code 07720
07720 Description And Summary : |
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The instrument cluster alerts the driver to the fault exhaust bank 3 mixture adaptation range 3, rich limit exceeded retarded timing position, the engine might refuse to start leak in air intake system or change throttle/pedal position sensor / switch 'e', circuit range / performance will delay your vw fault. |
07720 Possible Causes:
07720 vw fault code may be caused by one or more of the following:
- Fuel Temperature Sensor B Circuit Range/Performance
- Crankshaft Position Sensor A Circuit Low Input
- Crankshaft Position Sensor A Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- Cylinder 1 Injector Circuit Low
- Timing Reference High Resolution Signal A Too Many Pulses
- Engine Shutoff Solenoid Malfunction
- Cold Start Injector 1 Malfunction
What To Check After Fixing 07720 Code
- Inspect all the connections exhaust gas temperature sensor, bank 1 sensor 5, circuit / open
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns