What is your question?
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What is your question?
Only goes 40 mph
What makes this problem better or worse?
Looking to buy a car with problem
How long has your 2007 Chevrolet Impala had this problem?
Looking to buy a car with problem

1 Reply
Hello, Seek diagnostics. This may be a transmission issue, sure, but the vehicle could also be in limp mode or have a clogged catalytic converter. You also could have a severe loss of engine power too.