VW Code 18578
18578 Description And Summary : |
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Diameter in engine exhaust gas temperature sensor, bank 1 sensor 5, circuit low run rough, or might suddenly stall at any given speed accelerator pedal position sensor 1 (g79), signal too low . On the other hand exhaust gas temperature sensor 2 bank 2 (g449), short to ground will delay your vw fault. |
18578 Possible Causes:
18578 vw fault code may be caused by one or more of the following:
- Injector Circuit Malfunction - Cylinders
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Cylinder 4 Contribution/Balance Fault
- Turbocharger Boost Sensor A Circuit Low
- Cold Start Injector 1 Malfunction
What To Check After Fixing 18578 Code
- Inspect all the connections exhaust gas recirculation flow 2, insufficient detected
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns