1997 GMC Sonoma "high idle" Questions

high idle Truck Idles high in between gears, and when sitting. Once in a while it will kick back to normal idle, but mostly its high. Dang thing increases speed without gas in all gears Time for a IAC

...high and somtimes wont idle I changed the fuel pump and fuel filter on my 91' Sonoma recently and it ran again. The only problem is that it is idleing eratically. It runs this way most of the time. ...

...idle is running unusually high. Is there a proper way to reset the computer? you can reset the computer by removing the ecm fuse for 30 seconds or so, also look for vacuum leaks, main reason for high ...

replaced throddle idle motor. cold or hot, engine high revs at idle, and between gears while driving. high revs are usually caused by a vacuum leak, pinch each line one at a time,

high idle has a high idle when i start it and when its wormed up mine did same thing and the cause was that the TBI gaskets were shot , mainly the one right on top of the unit but below the injectors

...idles a little rough like it is not time properly? Also when you first start it idles high and then kicks down is it suppost to do that? as time goes on yes so the idle speed control is wearing ...

...to it,.. a little at a time until you get the desired idle. careful not to over adjust it, or you will idle to high and waste gas, and over work the enjine on very hot day's or very cold

engine run at high idle for long time before idle come down to normal cleal the carb the float could be stuck if it goes back down after it warms up for for a bit it most likely that

high idle. check over that snorkle good, ive created vaccum leaks there before. look over it all and make sure shits plugged in of coourse. clean throttle and if its still acting up tap on iac and egr