1990 Chevrolet C1500 "idle" Questions

1988 chevy pickup low idle rough idle at stop The most common reasons for low idle is a dirty throttle body and a faulty idle air control valve. A miss could also cause the low idle speed but not as ...

...with a 5.0 and stock rochester carb. The truck will start but you must keep gassing it as it won't idle. It kicks off every time. Any suggestions on how to fix this cold natured It has new plugs, ...

98 Chevy 5.0 fast idle I have had some problems with my 98 chevy truck with a 5.0. It started out where I had rough idle when I would come to stop lights, seeming like it would load up with fuel. I ...

1988 gmc sierra 1500 engine idles too fast. just installed a kit on rochester throttle body. just installed a kit on a Rochester throttle body 2 point fuel injection and the engine idles too fast. 5.7

my 93 chev 1500 4x4 slight idle runs rugh surges i have replaced everything exept the iac.. the truck sat for 2 months and now has this problem..any idias? The IAC may be slow to respond to input ...

Trucks starts at a rough idle. After a few minutes idles smoothly then engine check light comes on. Does not come on when first started and when idles rough.. Scratching head here..Any help will be ...

I have a 1989 GMC Sierra that when the motor is cold it idles up and then will idle down and almost die but not quite and then rev back up. Once it is warmed up it idles fine. I just got it and ...

Working on a 90 GMC Sierra 1500 4x4 with a 5.7. When I got my hands on it the idle waved really bad after it warmed up. To the point of dying. Driving or parked it would do this. I found that the ...

fast idle after warm up .already changed IAC valve 1994 gm 4.3L fast idle after warm up .already changed IAC valve. fast idle is many times caused by a engine intake vacuum leak, use a can of carb ...