Poor Performance
WARNING: This page is about a different car, the 1993 Volkswagen Passat, 1993 Volkswagen Fox, 1993 Volkswagen EuroVan, 1993 Volkswagen Corrado, and 1993 Volkswagen Cabriolet. However, it is still accessible from the selected car via links, so may be relevant.
- Check fuel pump.
- Check throttle cable adjustment.
- Check auxiliary air intake system.
- Check airflow sensor lever adjustment and control plunger.
- Check throttle potentiometer.
- Check fuel system differential and residual pressures.
- Check injector fuel pressure and volume.
- Check full throttle switch.
- Check mass airflow sensor (if equipped).
- Check intake air preheating system.
- Check catalytic converter.
- Check ignition timing.