ENGINE IDLE HIGH

The Check Engine Lt. Is On, Code 507. The Idle Speed Goes Up To Aroun 2000rpm On Start Up For Around 20 Seconds, Then Drops To Around...

2001 Ford Expedition 5.4 Good Afternoon This Morning My Truck Started Running Fine No Problems I Allowed It To Warm Up For 15 Min. Started...

I Recently Changed The Transmission And My Engine That Ran Great Started To Miss. I Removed The Upper Intake Phlenum To Change The Rear...

One Major Issue I Am Having Is When I Go To Take Off In First Gear I Have To Feather The Throttle And Ride The Clutch Out Or Lay Down The...

Does My 4.9l Engine Have A Idle Air Control Valve?Or Is It Just The Idle Speed Control Attenuator?What Should I Replace?

When I Start My Vehicle Revs To 4000 Rpm And When I Am In Gear It Just Takes Off By Itself. Any Help With This Would Be Greatly Appreciated...

Hello, My 1991 Honda Accord Has Recently Started Reving Up And Down When The Engine Is Cold Or Has Been Sitting For Awhile. The Engine Will...

I Am Having Problems With My Car Idleing Higher Than Normal. I Believe That It Should Be Around 700 To 900 Rpm But Sometimes It Will Be...

The Car Has Around 87,000 Miles. I Am Having Trouble With The Car Idleing Around 22-2500rpms With A Cold Start. It Takes It About 15...

My Daughter's Sable Had Repair Work Done. Car Was Stalling. Replaced Iac Valve And Some Vacum Hoses That Seemed To Fix The Problem. Now She...