Under 8500 GVW

Automatic Transmission (in drive) 660 RPM (+/- 25)

Manual Transmission (in neutral) 525 RPM (+/- 25)

Engine should be at operating temperature 92°C to 104° (196°F to 222°F) and in "Closed Loop." IAC valve counts should be 5 to 30. Add two counts for engines with less than 500 miles. Add two counts for every 1000 ft. above sea level.