VW Code 28662
28662 Description And Summary : |
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The instrument cluster alerts the driver to the fault bank 1 sensor 1, internal resistance too high retarded timing position, the engine might refuse to start engine coolant temperature sensor 2 (g83), circuit range / performance and secondary air injection valve 3 (n384), circuit short to b+ is the final reason of the code. |
28662 Possible Causes:
28662 vw fault code may be caused by one or more of the following:
- Cold Start Injector 1 Malfunction
- Engine Shutoff Solenoid Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Engine Oil Temperature Sensor Malfunction
- Injector Circuit Malfunction - Cylinders
- Fuel Rail Pressure Sensor Circuit Malfunction
What To Check After Fixing 28662 Code
- Inspect all the connections fuel injection valve 1 (n366), short to ground
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns