ford Workshop Repair Guides

Ford Workshop Service and Repair Manuals

Emission Control System - Technician's Glossary|Page 1688 > < Emission Control System - Technician's Glossary|Page 1686
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Note

The curb idle and fast idle speeds are controlled by the EEC-IV processor and the idle speed control device and can not be adjusted.

Remember

A change in idle speed occured because of a problem elsewhere. You should only enter this procedure after you have eliminated the possible causes
listed below:

^

Contamination within the throttle bore.

^

Contamination within the idle speed control device.

^

Throttle sticking or binding.

^

Engine not reaching operating temperature.

Emission Control System - Technician's Glossary|Page 1688 > < Emission Control System - Technician's Glossary|Page 1686