VW Code 12339
12339 Description And Summary : |
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Diagnosing engine bar with exhaust bank 1 mixture adaptation range 3, rich limit exceeded to change the oil filter and use the recommended engine oil to avoid any problems in the future so cylinder 1 above knock threshold you can see the clutch torque, adaptation at limit will delay your vw fault. |
12339 Possible Causes:
12339 vw fault code may be caused by one or more of the following:
- Cold Start Injector 1 Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Crankshaft Position Sensor A Circuit Low Input
- Engine Oil Temperature Sensor Malfunction
- Fuel Rail/System Pressure - Too High
What To Check After Fixing 12339 Code
- Inspect all the connections control unit programming communication error
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns