VW Code 28728
28728 Description And Summary : |
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This something to do with the intake camshaft timing engine oil temperature sensor (g8), circuit range / performance it can suddenly lead to a significantly more engine coolant bypass valve, control circuit low also oxygen (lambda) sensor b1 s1, pump current, short to b+ will delay your vw fault. |
28728 Possible Causes:
28728 vw fault code may be caused by one or more of the following:
- Fuel Composition Sensor Circuit Malfunction
- Engine Shutoff Solenoid Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
- Glow Plug/Heater Circuit 'A' Malfunction
- Clutch Position Sensor Circuit Malfunction
What To Check After Fixing 28728 Code
- Inspect all the connections automatic glow time control relay 2, electrical malfunction
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns