Chevrolet Engine Idle High

When I Hook Up My M.a.p Sensor My Truck Idles Hig Then Low Then Stalls. It Runs Fine When M.a.p Sensor Is Disconnected. What Could The...

My Car Is A Brougham. 305 V8. Began With Fast Idle That Could Not Be Adjusted With The Throttle Set Screw. Now Cold Start Takes...

I Have 1988 Chevy C3500 With 200,000 On It. Replaced Motoer Several Years Ago. It Has Always Idled A Little High. Never Really Tried To...

Replaced Iacv Tpi O2 Egr Vac Hoses Still Runs Same Serges At Idle To Started This After Battery Went Wife Left Dome Light On. Has Not...

1988 S-10 Blazer 2.8 Was Idling At 1100 Rpm For Long Time. Decided To Try A New Iac Valve. Also Got A New Tbi Gasket. Installed Them Both...

Engine Mechanical Problem 1988 Chevy Trailblazer 6 Cyl Two Wheel Drive Automatic When I Start The Motor It Is At A High Idle And Then...

Engine Idles High Even When Warmed Up . Idles At About 8 Or 10. You Can Reduce It By Revving The Engine It Will Go To A Normal Idle Of 6

After Pulling In The Driveway I Noticed The Engine Ideling Fast. I Put The Truck In Gear To Move It And It Shifted Hard. Any Ideas On The...

Recently My Truck Has Developed A High Idle Problem. The Problem Is That The Engine Idles Fast And I Have To Step On The Brake Firmly At...

I Have Replaced Plugs,cap,rotor,wires,ecm, Throttlebody Gasket (sucking Air). Idle At Start Up Is Around 2000 Rpm And Stays Pretty Steady....