Component Tests and General Diagnostics: Diagnosis and Testing

Fuel System, Performing Leak Test

Proceed as follows:

- Let the engine run a few minutes at a moderate speed.

- Switch off ignition.

- Check the entire fuel system for leaks.

- If there are leaks in spite of correct tightening specifications, the corresponding component must be replaced.

- Then perform a road test and depress the accelerator pedal all the way at least one time.

- Then check the high pressure area again for leaks.