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Lack of acceleration
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Question
Alpha628
Hello sirs
I bought a 2007 chevy trailblazer with 29k miles last year from an older gentlemen who seemed to have had it parked for a while. 3 months in the fuel pump failed. My mechanic changed the fuel pump but never cleaned the fuel tank. My acceleration has never been restored. When I press on the gas peddle very lightly it seems to move fine but when I give it gas it doesn't do anything unless I go so far down that it downshifts and even then it sortve roars for no reason not picking up as much speed as it should, but then as I ease my foot off the gas peddle it accelerate faster lol. Almost like the power was being held back by a clogged fuel filter. Never had to climb revs like that to accelerate. Can it be that a dirty fuel tank is clogging my fuel pumps filter again? I got the fuel pump changed last summer. I also changed the spark plugs. Does it matter if it's platinum or iridium? Would that be the cause? Please help I have no check engine light and some misfire codes in memory.
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