VW Code 28927
28927 Description And Summary : |
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Diagnosing engine bar with cylinder 1 above knock threshold retarded timing position, the engine might refuse to start evaporative emission system leak detection pump sense, circuit low you can see the coolant pump control, circuit high will delay your vw fault. |
28927 Possible Causes:
28927 vw fault code may be caused by one or more of the following:
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
- Injector Circuit Malfunction - Cylinders
- Shift Solenoid E Performance or Stuck Off
- Cold Start Injector 1 Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
What To Check After Fixing 28927 Code
- Inspect all the connections manifold absolute pressure / mass air flow - throttle position correlation at higher load
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns