Buick Century Engine Idle High

Car Wouldn't Start Unless You Push The Gas, And Would Stall When You Let Up On The Gas. Have Replaced The Idle Motor With 3 Different Ones...

A Short Time Ago I Had The Lower Intake Manifold Gasket Replaced. Soon After This The Car's Idle Has Been Irratic. At Times The Car Idels...

Change Tp Sensor And Iac Valve. No Help. Unplugged Tp Sensor And Started Engine. Still High Idling. Could I Have Vacuum Line Issue? Does...

This Is A Problem That Doesn't Occur All The Time. It Is Intermittent. No Dtc's. It Happens When The Car Has Warmed Up, But Not...

Just Had Dome Valve Replaced. Now It Idles Fast (2000 Rpm Approx) Checks Done On Vacuum Etc Did Not Any Problem In That Area. Could It Be A...

Replaced Iac And Tps And Car Still Running At A High Idle, Also Checked For Vaccum Leaks And Still Idling High? What Else Can It Be?

Alright, Here You Go. I Changed The Spark Plugs And Ignition Coils. Days Later The Water Pump Was Changed. Started Sputtering So I Changed...

I Bought A 1996 Buick Century With A 3100 Engine. It's Idling Very High. I Changed The Iac Valve. This Took It Down From 2400 To 1400 Rpm's...

My 1995 Buick Century Idles Too High After I Start The Car. I Find No Vacuum Leak However I Do Have A Check Engine Soon Light On And I Don'...

I Have A 1995 Buick Century With The 3.1 V6 Engine. One Morning I Started It And The Engine Was Racing Over 2000 Rpms (estimate), I Could...