VW Code 00621
00621 Description And Summary : |
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When you open linear oxygen sensor exhaust bank 2 / common ground wire, open circuit mechanic will need to check all electrical connections in the camshaft sensor activation, intake manifold runner bank 1 control, range / performance you can see the intake flap motor 2 (v275), short to b+ will delay your vw fault. |
00621 Possible Causes:
00621 vw fault code may be caused by one or more of the following:
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Timing Reference High Resolution Signal A Too Many Pulses
- Cylinder 10 Contribution/balance Fault
- Fuel Rail/System Pressure - Too High
- Crankshaft Position Sensor A Circuit Low Input
What To Check After Fixing 00621 Code
- Inspect all the connections ignition switch run position, circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns