1997 Chevrolet Astro "idle surging" Questions

...surging , when slowing down engine continues to surge then , at idle will continue to surge form idle rpm to around 1200 rpm Sounds like a possible vaccume hose leak? adjust or replace i.a.c.valve ...

...right up but still had a rough idle. waited for an hour and it really didn't want to start at all. the surging idle and surging driving still continious. check throttle body and check for ...

1995 astro m van. idle is good until driven a bit, fully warm. when coming to a stop, idle surges up for a few seconds, cuts out like it wants to die, recovers and idles up again. this repeats while ...

1995 dodge ram 2500 with a gas powered v-10 surges at highway speeds but idles, fine gets worse in city driving and cuts out when accelerating v-10 gas powered engine surging at hwy speeds gets worse ...

surging and fast idle 1999 chev astro van Clean the throttle /throttle plate, MAF(mass air flow sensor) (if you have one), and the idle air control motor. You can use brake clean and a toothbrush. But

to press ******* the brakes to keep from moving forward under light. Seems to be worse when cold. Heat off and on---no air If it is surging and then droping off it could be your idle air control valve

...surging. So it seems like whenever the engine is at high idle and I ease off on the gas, it will hesitate/surge. Happens in temperatures from -20 to +7. Didn't happen much in the summer when temps ...

having trouble with finding solution for my engine lacking power,missing at idle,missing during acceleration engine surges while holding accelerator steady What model,make,year and engine size? 

...starting fluid, brake cleaner, etc, around the plenum. when u find a place that increases the idle u have narowed your

toyota 626 1991 idling high at 3000 rpms and then surges with a continuous pattern... idles high and then surges, idles high and then surges IAC - Idle Air Control sounds bad