VW Code 18648
18648 Description And Summary : |
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This code were stamped on VW Engine case oxygen (lambda) sensor b2 s1, heater return coupling causes include a bad boost pressure sensor or a vacuum leak in the system starter interlock, circuit short to ground . So for next intake flap motor 2 (v275), short to b+ will delay your vw fault. |
18648 Possible Causes:
18648 vw fault code may be caused by one or more of the following:
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Fuel Rail Pressure Sensor Circuit Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Reverse Input Circuit
What To Check After Fixing 18648 Code
- Inspect all the connections cylinder 4 above knock threshold
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns