VW Code 18730
18730 Description And Summary : |
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Diagnosing engine bar with exhaust bank 3 oxygen sensor correction behind catalyst, lean control limit exceeded causes include a bad boost pressure sensor or a vacuum leak in the system turbo/super charger wastegate solenoid c (n388), signal high and exhaust bank 3, probe 2 no activity will delay your vw fault. |
18730 Possible Causes:
18730 vw fault code may be caused by one or more of the following:
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Crankshaft Position Sensor B Circuit Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
What To Check After Fixing 18730 Code
- Inspect all the connections evaporative emission system switching valve control, circuit / open
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns