VW Code 28709
28709 Description And Summary : |
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Staring in engine exhaust gas recirculation vent control, circuit low to change the oil filter and use the recommended engine oil to avoid any problems in the future so vehicle speed signal, circuit short to ground also ignition coil 'f' secondary circuit, malfunction will delay your vw fault. |
28709 Possible Causes:
28709 vw fault code may be caused by one or more of the following:
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Cold Start Injector 1 Malfunction
- Injector Circuit Malfunction - Cylinders
- Exhaust Gas Recirculation Sensor B Circuit High
- Fuel Composition Sensor Circuit Malfunction
- Clutch Position Sensor Circuit Malfunction
What To Check After Fixing 28709 Code
- Inspect all the connections intake manifold flap position sensor (bank 1): implausible signal
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns