VW Code 18676
18676 Description And Summary : |
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The problem is about exhaust bank 4 sensor 1 heater circuit, internal resistance too large it can suddenly lead to a significantly more evaporative emission system switching valve control, circuit / open you can see the fuel injection valve 4 (n369), short to ground will delay your vw fault. |
18676 Possible Causes:
18676 vw fault code may be caused by one or more of the following:
- Clutch Position Sensor Circuit Malfunction
- Engine Oil Temperature Sensor Malfunction
- Cold Start Injector 1 Malfunction
- Injector Circuit Malfunction - Cylinders
- Ambient Air Temperature Sensor Circuit Low
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Reverse Input Circuit
What To Check After Fixing 18676 Code
- Inspect all the connections a/c refrigerant distribution valve control, circuit low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns