1988 Chevrolet C1500 "1991 chevy truck idle" Questions

1991 chevy 1500 ext cab with a 350 motor i have a 1991 chevy 1500 ext cab with a 350 motor and i noticed that when it idles it revs up and then down constently. What is wrong with it? What should i do

What should the idle speed be set at for a chevy 350 1991 engine truck SHOULD NOT NEED ADJUSTED! BASE IDLE SPEED SHOULD BEE @675/700 RPM...

...Chevy 1/2 ton 4x4 350tbi runs rough and sometimes quits when first started? After it warms up it runs fine, rough idle while cold? Make sure all the glow plugs are working. if it runs high when you ...

...1991 chevy 1500. when i go to start the truck in the morning or when the truck has set for a bit & it's cold. the truck will start but immediatly shut off. it will start fine it just shuts off until ...

...chevy with a 350 tbi dies when i put it reverse are drive does that mean it is out of time and the rear drivers side wheel locks up when goin in reverse what does that mean You either have a bad Idle ...

2002 chevy pu change plugs and wires ,seems to idle rought and no power ,after it heat up run great ,help. the choke dosnt seem to be working properly

1991 chevy pick up 1500 4.3 V-6, stopped running, would crank but not fire. Checked fuel pump, o.k.filter o.k.what could the problem be?gas is getting to carberator, truck will start but not idle it's

chevy 305) in my 1991 cadillac brougham and it will start but die immediatly. if i keep pumping the gas it will idle but barely. Check the electrical for key on power to the fuel pump relay, it sounds

...chevy pickup with 4.3 engine. 1991 its computer controlled. If its doesnt idle at the correct speed, theres a problem have it checked, could be a tps( throttle position sensor) or iac (Idle air ...

1991 chevy c1500 stalling my 1991 Chevy c1500 started stalling out when Id put it into drive. It sometimes takes 3 starts for it to go. Today it shut down without me putting it into drive, then ran ...