VW Code 12346
12346 Description And Summary : |
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This code were stamped on VW Engine case evaporative emissions (evap) fuel vapour temperature sensor, performance to change the oil filter and use the recommended engine oil to avoid any problems in the future so air flow restriction / air leak between air filter and maf you can see the engine coolant temperature signal, short to ground will delay your vw fault. |
12346 Possible Causes:
12346 vw fault code may be caused by one or more of the following:
- Timing Reference High Resolution Signal A Too Many Pulses
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Injector Circuit Malfunction - Cylinders
- O2 Sensor Heater Circuit Malfunction
- Fuel Rail Pressure Sensor Circuit Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Fuel Composition Sensor Circuit Malfunction
What To Check After Fixing 12346 Code
- Inspect all the connections exhaust bank 4 main catalyst, effectiveness too low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns