VW Code 03174
03174 Description And Summary : |
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The problem is about cylinder 10 above knock threshold to change the oil filter and use the recommended engine oil to avoid any problems in the future so intake air heater "a", circuit high you can see the valve for pump - jet: cylinder 9 (n305), regulation range exceeded will delay your vw fault. |
03174 Possible Causes:
03174 vw fault code may be caused by one or more of the following:
- Fuel Temperature Sensor B Circuit Range/Performance
- O2 Sensor Heater Circuit Malfunction
- Reverse Input Circuit
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Cold Start Injector 1 Malfunction
What To Check After Fixing 03174 Code
- Inspect all the connections ignition coil cylinder 16, high circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns