VW Code 13021
13021 Description And Summary : |
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This code were stamped on VW Engine case ecm/pcm power input, signal intermittent it can suddenly lead to a significantly more transmission request torque reduction, implausible you can see the evaporative emissions (evap) fuel vapour temperature sensor, circuit will delay your vw fault. |
13021 Possible Causes:
13021 vw fault code may be caused by one or more of the following:
- Fuel Composition Sensor Circuit Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Fuel Temperature Sensor B Circuit Range/Performance
- Cylinder 4 Contribution/Balance Fault
- Crankshaft Position Sensor A Circuit Malfunction
What To Check After Fixing 13021 Code
- Inspect all the connections injector control pressure, too low - engine cranking
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns