billproctor

I tuned my 2002 3.8L mustang about 4 months ago. I put motorcraft plugs and napa wire on. since then I replace all of the plugs with autolite because the car started cutting out real bad when under a load. changing the plugs did not make a difference. I need suggestions on what could be making it cut out when I try to accelerate. when Idling it is smooth and shows no misses. What can be causing it to cut out when I accelerate.

Bert

Autozone will pull codes for free. How is the fuel filter? The Motorcraft and Autolite plugs are both made by the same company.

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Bert