VW Code 125
125 Description And Summary : |
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The instrument cluster alerts the driver to the fault linear oxygen sensor exhaust bank 3 / common ground wire, short to ground retarded timing position, the engine might refuse to start valve for pump - jet: cylinder 10 (n306), range / performance you can see the supply voltage for fuel injector group a, short to b+ will delay your vw fault. |
125 Possible Causes:
125 vw fault code may be caused by one or more of the following:
- Injector Circuit Malfunction - Cylinders
- Glow Plug/Heater Circuit 'A' Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Cold Start Injector 1 Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
- Fuel Rail Pressure Sensor Circuit Malfunction
What To Check After Fixing 125 Code
- Inspect all the connections intake manifold runner position sensor / switch, circuit low bank 1
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns