Q: Chevy Tahoe has a heavy idle on startup, and will stall out when put in gear
When my truck is started up it's a very heavy idle to where the whole truck is shaking, and it will die when out in either drive or reverse. I cleaned out the throttle body maybe two months ago. I also replaced the spark plugs on all 8 cylinders and there was no evidence of oil on any of the plugs
My car has 93000 miles.
My car has an automatic transmission.
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