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05/10/2022 2:22 pm
Topic starter
Hi there. I have a 2012 Buick Lacrosse Touring FWD with 140k miles, V6 engine and a rebuilt tranny from the aftermarket warranty company with around 45k miles. While waiting at a light or any other place where the car is in drive and idling, I've noticed that every once in a while, for about 1/10th of a second the car weakly tries to move. It's very intermittent. The RPM's drop very slightly and briefly. What do you think? Thank you.
2 Answers
4
05/10/2022 2:44 pm
Clean the throttle body and MAF sensor, check for any codes and then go from there.
My engine doesn't surge. It just sits there idling like normal so do I still need to do the cleaning you suggested?
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09/10/2022 10:44 am
transmission problem
