Question about 2008 Chevrolet Impala LT
What more to add, other then when I step on the gas and increase the rpms over 2000 it quits stuttering and sputtering
I've been having the same problem, and it's been driving me nuts (3 trips to mechanic to replace spark plugs, wiring, and check transmission). After talking to Chevy customer service, I believe the problem is a faulty throttle body sensor (for which there is a service bulletin and repair at a dealership is free for MOST models). Hope this helps!
Posted on Jan 15, 2016
Check for a vacuum leak, Faulty emissions system, Check plugs and wires for damage, Fault in fuel or electrical system and incorrect fuel grade. Try these things first. Hope that Helps
Posted on Jan 04, 2014
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Posted on Jan 02, 2017
Have someone do a back pressure test on you catalytic converter. I had the same problem and it turned out that my converter was almost completely plugged. I was also getting a check engine light indicating a misfire on cylinder 4. Once the converter was replaced, the problems went away.
Posted on Oct 10, 2008
My First thought is fuel injectors pull off your air intake and airfilter cover spacer. start your engine look at the injectors you should see i steady stream of fuel spraying in. if you don't replace your fuel filter, injectors. If you can try to make sure your fuel lines isnt clogged.
Posted on Apr 21, 2010
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