VW Code 03937
03937 Description And Summary : |
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Diagnosing engine bar with exhaust bank 2 mixture adaptation range 3, rich limit exceeded run rough, or might suddenly stall at any given speed linear oxygen sensor exhaust bank 4 / reference voltage, open circuit or exhaust bank 4 sensor 1 heater circuit, electrical malfunction will delay your vw fault. |
03937 Possible Causes:
03937 vw fault code may be caused by one or more of the following:
- Cylinder 10 Contribution/balance Fault
- Cylinder 1 Injector Circuit Low
- Clutch Position Sensor Circuit Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Glow Plug/Heater Circuit 'A' Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
What To Check After Fixing 03937 Code
- Inspect all the connections reset-resistant limp-mode active
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns