Q: 2007 Silverado with 4.8 i cleaned my throttle body and after I re installed it started it up idles great right where it's supposed
2007 Silverado with 4.8 i cleaned my throttle body and after I re installed it started it up idles great right where it's supposed to until i touch the throttle then it goes to 2200 rpm and stays there if I put the truck in gear and drive wants yo keep going at stop signs unless I sit with foot on break for a min then idle kicks down to 900 rpm then i can put it in park and it'll idle there until i touch the throttle again then right back up to 2200 rpm and holds there also my service Trac control and service stabilitrak lights come on so it shifts super hard
My car has 203000 miles.
My car has an automatic transmission.
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