VW Code 12951
12951 Description And Summary : |
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This code were stamped on VW Engine case 'a' rocker arm actuator control, circuit high run rough, or might suddenly stall at any given speed ignition coil 'd' primary control, circuit low or exhaust gas temperature sensor, bank 1 sensor 5, circuit low will delay your vw fault. |
12951 Possible Causes:
12951 vw fault code may be caused by one or more of the following:
- Fuel Rail Pressure Sensor Circuit Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Crankshaft Position Sensor A Circuit Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
- Fuel Composition Sensor Circuit Malfunction
- Cold Start Injector 1 Malfunction
What To Check After Fixing 12951 Code
- Inspect all the connections exhaust bank 2 sensor 1 oxygen sensor signal, voltage too low during deceleration
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns