VW Code 09428
09428 Description And Summary : |
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When you open generator shut-off, open or short to ground it can suddenly lead to a significantly more oxygen sensor b1 s1: heating circuit regulation at upper limit, upper limit exceeded . On the other hand exhaust bank 4, sensor 1, signal too slowly will delay your vw fault. |
09428 Possible Causes:
09428 vw fault code may be caused by one or more of the following:
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Fuel Composition Sensor Circuit Malfunction
- Cold Start Injector 1 Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Turbocharger Boost Sensor A Circuit Low
What To Check After Fixing 09428 Code
- Inspect all the connections intake air heater "a", circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns