Hot-Idle Compensation System

Verify valve is in closed position when bimetal temperature is less than 145-160°F (63-71°C). See Figure . With valve closed, suck air through hose connected to valve. If excessive air leakage is found, replace idle compensator as an assembly. When bimetal temperature is above approximately 160°F (71°C), verify valve is open. If valve is not open, replace idle compensator as an assembly.