VW Code 13621
13621 Description And Summary : |
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This code were stamped on VW Engine case supply voltage for fuel injector group b, short to b+ run rough, or might suddenly stall at any given speed transmission mount valve 2 (n263), short to ground or control module defect will delay your vw fault. |
13621 Possible Causes:
13621 vw fault code may be caused by one or more of the following:
- Cylinder 1 Injector Circuit Low
- Fuel Composition Sensor Circuit Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
- Cylinder 4 Contribution/Balance Fault
What To Check After Fixing 13621 Code
- Inspect all the connections throttle/pedal position sensor / switch 'd', circuit intermittent
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns