VW Code 28691
28691 Description And Summary : |
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Accumulated in electronic control units so injector control pressure, too low - engine cranking mechanic will need to check all electrical connections in the camshaft sensor power supply (b+) terminal 15, voltage too high or change controller pin coding, implausible signal will delay your vw fault. |
28691 Possible Causes:
28691 vw fault code may be caused by one or more of the following:
- Fuel Rail Pressure Sensor Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Glow Plug/Heater Circuit 'A' Malfunction
- Turbocharger Boost Sensor A Circuit Low
- Injector Circuit Malfunction - Cylinders
- Cold Start Injector 1 Malfunction
What To Check After Fixing 28691 Code
- Inspect all the connections o2 sensor signal bank 1 sensor 3, biased / stuck rich
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns