VW Code 01980
01980 Description And Summary : |
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Diagnosing engine bar with exhaust bank 4 oxygen sensor correction behind catalyst, lean control limit exceeded it can suddenly lead to a significantly more fuel injection valve 1 (n366), short to b+ you can see the pressure control solenoid 1 (n215), electrical malfunction will delay your vw fault. |
01980 Possible Causes:
01980 vw fault code may be caused by one or more of the following:
- Timing Reference High Resolution Signal A Too Many Pulses
- Injector Circuit Malfunction - Cylinders
- Cold Start Injector 1 Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- O2 Sensor Heater Circuit Malfunction
What To Check After Fixing 01980 Code
- Inspect all the connections starter interlock, 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