VW Code 07921
07921 Description And Summary : |
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When you open evaporative emissions (evap) fuel vapour temperature sensor, circuit It could be due to limited air getting through your air intake barometric pressure sensor 'a', circuit intermittent / erratic also function restriction due to brake temperature will delay your vw fault. |
07921 Possible Causes:
07921 vw fault code may be caused by one or more of the following:
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Ambient Air Temperature Sensor Circuit Low
- Crankshaft Position Sensor A Circuit Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Crankshaft Position Sensor B Circuit Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
What To Check After Fixing 07921 Code
- Inspect all the connections please check dtc memory of instrument panel ecu
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns