1991 GMC S-15 Jimmy "idle speed" Questions

...idle speed based on a number of engine parameters. Idle drops to a minimum preset level when engine coolant reaches normal operating range and the engine goes into closed loop control. This idle is ...

...idle speed it cuts off. what could that be it startyed when i cranked it up one day and drove about 1 mile and it just cut off. you could set a few minutes and it would crank back up but wouldnt run ...

...idle speed, erratic idle speed, rough idle and engine hesitation (and other problems), it is in most cases the idle speed control air-bypass valve and or throttle valve and upper intake, these area's ...

...idle speed on a 1989 S-15 Jimmy w/4.3 High CO at emissions test computer controls engine idle thru a idle air control valve, air control valve could be dirty or bad, recomend to clean valve and clean ...

car stalls after warm up, wont idle, surges from idle to highway speeds car stalls after warms up, hesitates on take off, wont idle, it surges at idle and highway speeds, after it stalls you have to ...

speed. So say I'm going 40mph, and I take my foot off of the gas it may drop to 38mph and barely or extremely slowly cuts down. Also, when I start the car, the rpms jump to about or or around 2000rpm.

...idle at the correct speed, like right after I start it, but as soon as I've driven it some, it idles high. I'm receiving trouble code P0507. Also, there is a loud "whooshing" sound when I ...

How do you set idle speed on 1988 GMC C1500 5.7L TBI if you try to adjust idle the TPS will be misadjust. but if you clean trottle plate and IAC pintle with Kleens or combustion chamber cleaner

...speed. What's wrong it's a 4 wheel d My 1997 Jimmy runs fine in idle when I take off the vechile is fine until it reaches 20 mph it won't accelerate and the rpms increase up to 3000 ...

idle speed increases. if that's does nothing replace the electric throttle control actuator [motor ] make sure the plugin is on good and clean on the old one first .erase the code and adjust the idle.