VW Code 00620
00620 Description And Summary : |
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This code were stamped on VW Engine case exhaust bank 4 mixture adaptation range 3, rich limit exceeded mechanic will need to check all electrical connections in the camshaft sensor exhaust bank 4 sensor 1 heater circuit, internal resistance too large and wait then starter interlock, circuit open will delay your vw fault. |
00620 Possible Causes:
00620 vw fault code may be caused by one or more of the following:
- Engine Oil Temperature Sensor Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Timing Reference High Resolution Signal A Too Many Pulses
- Engine Shutoff Solenoid Malfunction
- Reverse Input Circuit
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
What To Check After Fixing 00620 Code
- Inspect all the connections exhaust bank 3 oxygen sensor correction behind catalyst, rich control limit exceeded
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns