1991 GMC K2500 "chevy truck high idle" Questions

...chevy silverado k2500 has high idle issues and also surges while in park. (can go 35mph without stepping on gas pedal) If your idle is going from 500rpms to 1000rpm's fluctuating at and idle your EGR ...

...chevy truck idles real high when you first start it and after 3 minutes you hit the gas and it will idle down to normal could it be out of timing or is there a fast idle screw. tried nothing yet 1985 ...

...chevy truck 5.7 idle revs up and down high emissions does not smoke ,changed plugs,wires,rotor,checked firing order,rebuilt tbi, injectors ? changed out with used- same problem.no engine light comes ...

...chevy K2500 14.4 amps at idle, no issues with battery recharging, new battery, cables and starter. The high beam indicator for my headlights stays on, with lights on, radio on and heater running on ...

...truck it fine then you give it gas and it idles high until you turn it off then you can restart it and its fine i have changed iac valve tps map sensor and tbi itself i put a spring on for a return ...

...chevy pickup and im looking for what the timing should be set at 6 degrees BTDC To check and adjust the timing: Warm up the engine to normal operating temperature. Stop the engine and connect the ...

high idle my 2005 chevy impala is running at an extremely high idle after i start it. i can sometimes turn it off and restart it and it idles normal. after i drive it a while the idle picks back up on

...chevy g20 is too high. how do I turn it down? i would first check for a vacuum leak because this is considered a newer vehicle and does not have an idle screw, so I would get some "brake kleen" and ...

...chevy lumina is throttling too high to drive CHECK TO MAKE SURE THROTTLE LINKAGE IS NOT STICKING.ALSO LOOK AT THE THROTTLE BODY GASKET.IF ITS LEAKING OR BROKEN IT WILL CAUSE HIGH IDLE SPEED.IF ALL ...

...Chevy Equinox is idling high. How can you reduce the idle. It's at 3,000 RPMs just sitting still. The number one cause for high idle is an imbalance in air pressure, An engine that is idling too high ...