Checking Fundamental Causes of Fault

Checking Fundamental Causes of Fault







- Check visually that:
- the hose connections are coupled between the compressor and the throttle body.
- the vacuum hose between the fuel pressure regulator and intake manifold is undamaged.
- check with the diagnostic tool that the coolant temperature sensor indicates a reasonable value. Rectify as necessary.

After performing this procedure Checking Cylinder Compression