Question about 2000 Chevrolet Blazer

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I have a 2000 Chevy Blazer I have replaced

I have a 2000 Chevy Blazer 4.3L V6 4X4. I have replaced plugs,wires,fuel pump,cap and rotor,catalatic converter,and fuel pressure regulator.I had a pinched return line on the fuel pump but that has been fixed.Now I have alot of hesitation when I take off and accelerate quickly,but not while running down the road,what could be wronge with it? Could it be the mass air flow sensor?

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Maf sensor, tps sensor,or timing gear

Posted on Apr 16, 2009

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