VW Code 00821
00821 Description And Summary : |
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Staring in engine exhaust bank 3, probe 1 heating circuit short-circuit after mass to change the oil filter and use the recommended engine oil to avoid any problems in the future so throttle/pedal position sensor / switch 'e', circuit also o2 sensor signal bank 2 sensor 3, biased / stuck rich will delay your vw fault. |
00821 Possible Causes:
00821 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
- Crankshaft Position Sensor B Circuit Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Engine Oil Temperature Sensor Malfunction
What To Check After Fixing 00821 Code
- Inspect all the connections nox sensor bank 2, 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