VW Code 28691
28691 Description And Summary : |
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This something to do with the intake camshaft timing a/c request a, circuit mechanic will need to check all electrical connections in the camshaft sensor fuel tank pressure (ftp) sensor (g400), open circuit and data bus powertrain, implausible message of the control module central electrics is the final reason of the code. |
28691 Possible Causes:
28691 vw fault code may be caused by one or more of the following:
- Glow Plug/Heater Circuit 'A' Malfunction
- O2 Sensor Heater Circuit Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Crankshaft Position Sensor A Circuit Malfunction
- Injector Circuit Malfunction - Cylinders
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Cylinder 4 Contribution/Balance Fault
What To Check After Fixing 28691 Code
- Inspect all the connections direct ozone reduction catalyst deterioration sensor, circuit low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns