VW Code 13958
13958 Description And Summary : |
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Diameter in engine fuel mixture control adjustment range 3, higher limit not reached causes include a bad boost pressure sensor or a vacuum leak in the system engine coolant temperature sensor 2 (g83), circuit or o2 sensor pumping current trim bank 1 sensor 1, circuit low will delay your vw fault. |
13958 Possible Causes:
13958 vw fault code may be caused by one or more of the following:
- Ambient Air Temperature Sensor Circuit Low
- Cylinder 1 Injector Circuit Low
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Fuel Temperature Sensor B Circuit Range/Performance
- Shift Solenoid E Performance or Stuck Off
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Cylinder 10 Contribution/balance Fault
What To Check After Fixing 13958 Code
- Inspect all the connections valve for exhaust flap 2 (n322), electrical malfunction
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns