VW Code 00721
00721 Description And Summary : |
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The problem is about exhaust gas temperature sensor, bank 2 sensor 4, circuit it can suddenly lead to a significantly more b camshaft position actuator control bank 2, circuit high . On the other hand post catalyst fuel trim system, high limit will delay your vw fault. |
00721 Possible Causes:
00721 vw fault code may be caused by one or more of the following:
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Cylinder 1 Injector Circuit Low
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Ambient Air Temperature Sensor Circuit Low
- Timing Reference High Resolution Signal A Too Many Pulses
What To Check After Fixing 00721 Code
- Inspect all the connections data-bus powertrain missing message from distance control
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns