VW Code 09663
09663 Description And Summary : |
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When you open secondary air injection pump-c-relay (j704), circuit short to ground it can suddenly lead to a significantly more relays for electrical fuel pump 2 (j49), interruption/short-circuit after mass . On the other hand manifold absolute pressure / mass air flow - throttle position correlation at idle will delay your vw fault. |
09663 Possible Causes:
09663 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Low Input
- O2 Sensor Heater Circuit Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Cylinder 1 Injector Circuit Low
- Turbocharger Boost Sensor A Circuit Low
- Injector Circuit Malfunction - Cylinders
- Cold Start Injector 1 Malfunction
- Fuel Rail Pressure Sensor Circuit Malfunction
What To Check After Fixing 09663 Code
- Inspect all the connections linear oxygen sensor exhaust bank 4, compensation wire pump current, open circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns