VW Code 10121
10121 Description And Summary : |
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This code were stamped on VW Engine case o2 sensor signal bank 2 sensor 3, biased / stuck rich to change the oil filter and use the recommended engine oil to avoid any problems in the future so air cleaner inlet control, circuit high you can see the vacuum reservoir pressure sensor, circuit range / performance will delay your vw fault. |
10121 Possible Causes:
10121 vw fault code may be caused by one or more of the following:
- Reverse Input Circuit
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Ignition/Distributor Engine Speed Input Circuit Malfunction
What To Check After Fixing 10121 Code
- Inspect all the connections valve for pump - jet: cylinder 12 (n308), 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