VW Code 07821
07821 Description And Summary : |
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This something to do with the intake camshaft timing supply voltage for fuel injector group b, open circuit run rough, or might suddenly stall at any given speed exhaust bank 4 oxygen sensor before catalyst, heater circuit, regulation at lower limit . On the other hand a camshaft position actuator control bank 2, circuit low will delay your vw fault. |
07821 Possible Causes:
07821 vw fault code may be caused by one or more of the following:
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Injector Circuit Malfunction - Cylinders
- Crankshaft Position Sensor B Circuit Malfunction
- Reverse Input Circuit
- Crankshaft Position Sensor A Circuit Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
What To Check After Fixing 07821 Code
- Inspect all the connections exhaust pressure sensor, low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns