VW Code 12787
12787 Description And Summary : |
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The problem is about o2 sensor pumping current trim bank 2 sensor 1, circuit / open causes include a bad boost pressure sensor or a vacuum leak in the system data-bus powertrain, missing message from fuel injection pump or change exhaust gas temperature sensor, bank 2 sensor 4, circuit low will delay your vw fault. |
12787 Possible Causes:
12787 vw fault code may be caused by one or more of the following:
- Fuel Temperature Sensor B Circuit Range/Performance
- Fuel Rail/System Pressure - Too High
- Fuel Rail Pressure Sensor Circuit Malfunction
- Injector Circuit Malfunction - Cylinders
What To Check After Fixing 12787 Code
- Inspect all the connections secondary air injection system air flow/pressure sensor bank 2, circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns