1991 GMC K2500 "high idle wont down chevy" Questions

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 on just goes from

...Check the idle air control valve for carbon buildup. Also check for a vacuum leak. http://ricksfreeautorepairadvice.com/bad-idle-air-control-valve/ High idle rough idle Ricks Free Auto Repair ...

high idle problem. I would do it once in a while and quit. Now it up and wont idle down. I have new throttle position sensor, map sensor. all the other sensors have been change within 3 months. is the

...idle control motor on the throttle body.Let me know if this helps or you need more info. i have 93 chevy 1500 5.7 same problem there was a wire by the distributor cap sparking backfires when giving ...

...high idle circuit of the carb, as it warms up the idle should slow down and then idle in the 800 rpm range in Park, 650 in Drive. This will be the low idle circuit range. This transition inside the ...

high in fuel (flooding). White smoke generally indicates not enough fuel. Unless your engine is damaged or the timing changed, your engine will run if it has the following: proper fuel mixture, air, a

...high or low but eventually you will need a new transmission bc eventually all of your gears will begin to grind like that and then eventually you just wont even be able to get the car in gear not due ...

...idle in P,N,OD should be around 70psi and around 140psi in R. Max line pressure should be at least 190psi at WOT in 1st or 2nd, 225psi is optimum. If base pressure is low, trans or pump is worn out. ...

...idle before the carb runs out of fuel. Make sure you don't have any leaks in the fuel line coming from the tank...with a pull type pump (mechanical pump on the engine) a leak often will not drip, but ...

...idle problems. Some 4.3's have 2 Coolent temperature sensors, Some only have 1. On the engines that contain 2 sensers, One is a Temperature Senser and the other a Temperature Switch. The Temperature ...