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by (101 points)

My car will not exceed 55 miles an hour in 3rd gear and it won't proceed 35 miles an hour in overdrive you tell me what's wrong it revs up gets high RPMs and stop accelerating

Vehicle: 2008 Buick Lucerne CXL 3.8L

1 Answer

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by (5.5k points)
Unfortunately, there are many things that could cause those symptoms. Do you have any codes?
by (101 points)
Not as of yet and the car Also sat for 4 years Un touched
by (5.5k points)
Since the vehicle sat for 4 years, you could start by changing the spark plugs, engine oil, and transmission fluid.

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