ENGINE IDLE ERRATIC

Car Revs Up And Down Between 1000 And 2000 Rpms At Stop Or Idle. No Real Loss Of Power At Highway Speed. In Second Gear At Full Throttle I...

My 2001 Hyundai Santa Fe Will Increas Itle To About 1900 Rpms About 10 Min After Starting And Driving Normally. If I Stop And Then Take Off...

The Car Runs Great While In Motion. As Soon As I Start To Press The Break, The Idle Drops And Stalls This Happens During Turns And Coming...

Car Either Idles Too High Or Too Low Already Replaced The Throttle Positioning Sensor And The Idle Control Valve. Checked For Vacuum Leaks...

I Have A 1988 S10 We Bought Brand New. It Has 236k, 70k On Reman Motor. When You First Start It, It Idles Rough And Surges Like Crazy On...

Okay, So I Know Nothing About Cars. I'm A Software Engineer. Okay, So It's About 20c Outside (68f). I'm Used To The Car...

Why Would The Rpms In My Car Start Surging Up And Down While I Am Driving At Normal Driving Speeds? It Usually Does This In The Afternoon...

When I Unplug The Egr Temp Sensor Car Is Running Smoother. But Then The Car Starts Bad. I Already Replaced All Engine Sensors (throttle...

I Have An 89 Civic Lx 1.5l Fuel Injected, 167k, With Automatic Transmission. When I Bought This Car The Owner Had Just Done A Full Tune...

Ive Got A 91 Silverado 350 With Some Idle Problems. When You First Start It U Need To Give It Throttle For A Few Seconds To Keep Er Running...