Q: Q: Loss of power in acceleration

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My 1995 grand Cherokee jeep has some trouble moving, I can press the gas pedal pretty far down and the acceleration isn't what it should be- it's way too slow and hesitant. I've got a couple things in mind what it could be, but I want other opinions. I've already done small things like clean out the throttle body and IAC valve, scrape the corrosion off the battery terminals. That made it alittle more responsive but clearly it's still an issue..

Any input is helpful. Thanks!

My car has 177500 miles.
My car has an automatic transmission.

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