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2002 gmc envoy_slt
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Discussion Starter · #1 ·
It seems it could be called a rough idle. After start up, I can feel a vibration through the steering wheel, while sitting still. If seem to disappear after warm up. Any ideas?????
 

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2002 gmc envoy_slt
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Discussion Starter · #3 · (Edited)
I was hoping it was the throttle body!! I cleaned it already and now I'm starting to hunt for other possibilities. I'm going to have the transmission serviced this week. I'm really at a loss. It's not throwing any codes!!
 

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2002 gmc envoy_slt
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Discussion Starter · #4 ·
Solved!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!

After cleaning the throttle body, I put double dose of Techron in the tank and after that tank was empty.........vibration is gone!!!!!! We're good to go now!!!! Thanks!!!!!!!!!!
 

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2009 chevy
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After cleaning the throttle body, I put double dose of Techron in the tank and after that tank was empty.........vibration is gone!!!!!! We're good to go now!!!! Thanks!!!!!!!!!!
:thumbsup: thanks for reporting back, possibly one, or more, dirty injectors, or a sticky valve.

Mods, please mark SOLVED
 
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