Mechanics

ACCELERATION PROBLEM

1997 GMC Sonoma

I have a 1997 GMC Sonoma V6 4.3 L Vortec that has 140,000 miles, recently started having poor acceleration / hesitation problems. &Quot; Service Engine Light is ON" First found bad spark plug wires replaced, ran good for a while, problem came back and recently was informed 1 of the fuel injectors was defective replaced all 6 however. Ran good for a bit but still the Service engine light is on. Manual states emssion control problem, just looking for other possible problems.
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Larry Mroczkowski
January 2, 2007.



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