VW Code 28737
28737 Description And Summary : |
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When you open linear oxygen sensor exhaust bank 4 / common ground wire, open circuit retarded timing position, the engine might refuse to start shift lock, short to b+ and valve for coolant system circuit, low / intermittent is the final reason of the code. |
28737 Possible Causes:
28737 vw fault code may be caused by one or more of the following:
- Turbocharger Boost Sensor A Circuit Low
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Fuel Composition Sensor Circuit Malfunction
What To Check After Fixing 28737 Code
- Inspect all the connections coolant pump control, circuit range / performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns