VW Code 13421
13421 Description And Summary : |
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This code were stamped on VW Engine case exhaust bank 3 sensor 1, inner resistance implausible mechanic will need to check all electrical connections in the camshaft sensor 'a' rocker arm actuator control, circuit low and wait then exhaust gas recirculation cooling valve control, circuit high is the final reason of the code. |
13421 Possible Causes:
13421 vw fault code may be caused by one or more of the following:
- Fuel Rail Pressure Sensor Circuit Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Timing Reference High Resolution Signal A Too Many Pulses
- Crankshaft Position Sensor B Circuit Malfunction
- Engine Shutoff Solenoid Malfunction
- Fuel Rail/System Pressure - Too High
What To Check After Fixing 13421 Code
- Inspect all the connections pre-catalyst exhaust bank 3 effect too small
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns