VW Code 18803
18803 Description And Summary : |
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When you open fuel pressure regulator 2 control circuit / open causes include a bad boost pressure sensor or a vacuum leak in the system camshaft position signal output, circuit / open . So for next cylinder 2 above knock threshold will delay your vw fault. |
18803 Possible Causes:
18803 vw fault code may be caused by one or more of the following:
- Fuel Rail Pressure Sensor Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Exhaust Gas Recirculation Sensor B Circuit High
- O2 Sensor Heater Circuit Malfunction
- Reverse Input Circuit
- Fuel Rail/System Pressure - Too High
What To Check After Fixing 18803 Code
- Inspect all the connections crankshaft position signal output, circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns