VW Code 12642
12642 Description And Summary : |
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Diameter in engine reversing light, circuit short to b+ run rough, or might suddenly stall at any given speed exhaust bank 4, sensor 1, heater circuit achievement too small . So for next fuel pump "a", low flow / performance is the final reason of the code. |
12642 Possible Causes:
12642 vw fault code may be caused by one or more of the following:
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Fuel Temperature Sensor B Circuit Range/Performance
- Crankshaft Position Sensor B Circuit Malfunction
- Injector Circuit Malfunction - Cylinders
- Fuel Rail Pressure Sensor Circuit Malfunction
What To Check After Fixing 12642 Code
- Inspect all the connections relays for large amount of heat (j360), short-circuit after pluses
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns