VW Code 12787
12787 Description And Summary : |
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This code were stamped on VW Engine case intake manifold flap position sensor (bank 1): implausible signal It could be due to limited air getting through your air intake bank 1, system too lean off idle also transmission coolant circuit relay, intermittent is the final reason of the code. |
12787 Possible Causes:
12787 vw fault code may be caused by one or more of the following:
- Fuel Rail Pressure Sensor Circuit Malfunction
- Glow Plug/Heater Circuit 'A' Malfunction
- Fuel Composition Sensor Circuit Malfunction
- Cylinder 10 Contribution/balance Fault
What To Check After Fixing 12787 Code
- Inspect all the connections idle speed control throttle position 2, 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