Engine Does Not Start Or Is Difficult To Start When Cold
WARNING: This page is about a different car, the 1994 Volkswagen Passat and 1994 Volkswagen Corrado. However, it is still accessible from the selected car via links, so may be relevant.
- Check for insufficient fuel in tank.
- Check fuel pump relay and fuel pump.
- Check fuel system for leaks.
- Check auxiliary air intake system.
- Check fuel system after-start, acceleration enrichment and warm-up circuits.
- Check cold-start valve.
- Check airflow sensor lever adjustment and control plunger.
- Check sensor plate rest position and idle circuit.
- Check fuel system differential and residual pressures.
- Check fuel injection volume.
- Check engine coolant temperature sensor.
- Check ignition timing, spark plugs, distributor, secondary ignition wiring and coil.
- Check Hall Effect sensor.
- Check ignition coil power output stage.