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1999 Chevy Venture High Idle
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Question
Nathan Nelson
The vehicle has the 3.4L engine. I just did the lower intake gasket, and it ran completely normal. I forgot the 1 nut that secures the heater hose into the thermostat housing, it blew off throwing coolant everywhere. So all I did is take of the tube from the throttle body to the air filter. and the tube running back to the rear valve cover. Installed nut and reassembled. Now the rpm pegs at about 3K-3.5K in park and neutral, about 1.6K in Drive or Reverse. My first thought was vacuum leak, I smoked this way 6 ways to Sunday and cant find any smoke leaking anywhere. I unplugged all vacuum lines to intake while running, rpm goes to about 4k, plugged it with the finger and the rpm goes back to 3.5K telling me the hoses aren't disconnected. I can open the purge valve and idle increases, I can open the egr valve and idle decreases. I own a snapon verus edge. I have live data I can provide while the vehicle is in Park, Drive, and Cold. any thoughts on what I F*&#ed up?
Edit-
Also no codes or check engine light.
Edited by Nathan NelsonAdded info
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