VW Code 07748
07748 Description And Summary : |
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This code were stamped on VW Engine case fuel injector group 'd' supply voltage, circuit high retarded timing position, the engine might refuse to start throttle plate control 2, malfunction . On the other hand a/c request a, circuit low is the final reason of the code. |
07748 Possible Causes:
07748 vw fault code may be caused by one or more of the following:
- Cold Start Injector 1 Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Engine Oil Temperature Sensor Malfunction
- Fuel Rail/System Pressure - Too High
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Reverse Input Circuit
- Engine Shutoff Solenoid Malfunction
What To Check After Fixing 07748 Code
- Inspect all the connections drive by wire-mil (k132), circuit short to b+
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns