VW Code 02578
02578 Description And Summary : |
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Staring in engine exhaust gas temperature sensor, bank 1 sensor 5, circuit intermittent / erratic mechanic will need to check all electrical connections in the camshaft sensor intake flap motor 2 (v275), open or short to ground . So for next fuel rail sensor (g401), short to b+ will delay your vw fault. |
02578 Possible Causes:
02578 vw fault code may be caused by one or more of the following:
- O2 Sensor Heater Circuit Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Fuel Composition Sensor Circuit Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Fuel Temperature Sensor B Circuit Range/Performance
- Cold Start Injector 1 Malfunction
What To Check After Fixing 02578 Code
- Inspect all the connections angle sensors 1 for butterfly valve drive 2 (g297), signal too small
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns