Pontiac Montana Engine Idle High

When The Outside Air Temp Goes Above 50 Degrees The Van Will Start To Idle High. Normal Idle Is About 600 When It Is Below 50 Jumps To 1200...

Engine Idles Really High When In Park. Idles Down When Put In Gear But Still Is Idling Higher Then It Should Be. What Could Be Causing This...

Engine Performance Problem 2001 Pontiac Montana 6 Cyl Front Wheel Drive Automatic Ok So I Got A Few Suggestions To Fix The Problem One...

Hi I Just Replaced Head Gaskets On My Van, Had Heads Cut And Checked Before Replacing. Ok So I Finished The Job And The Van Ran Fine Until I...