Hot Idle Compensator
- Attach hose to hot idle compensator nipple at top of air cleaner. Attach vacuum pump with gauge to hose. With vehicle cold, apply 5 in. Hg to hot idle compensator. Valve should be closed.
- Using heat gun, heat hot idle compensator. Hot idle compensator should open when heated to 114-192°F (45-89°C). If hot idle compensator does not open or if it leaks excessively when cold, replace hot idle compensator.