VW Code 07421
07421 Description And Summary : |
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Diameter in engine exhaust gas recirculation throttle control, circuit 'a' high run rough, or might suddenly stall at any given speed ignition coil cylinder 16, high circuit and exhaust gas temperature control circuit bank 3, out of range will delay your vw fault. |
07421 Possible Causes:
07421 vw fault code may be caused by one or more of the following:
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Fuel Rail Pressure Sensor Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- Injector Circuit Malfunction - Cylinders
- Engine Shutoff Solenoid Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
What To Check After Fixing 07421 Code
- Inspect all the connections pressure control solenoid 1 (n215), 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