1994 Buick Roadmaster not speeding up and backfireing

1994 BUICK ROADMASTER
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ARRIANNA
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Noises problem
1994 Buick Roadmaster V8 Front Wheel Drive Automatic

what would make my car backfire and not want to speed up. someone said it might be that one of my values on my motor are close. but im hoping not. this just started a couple day ago. i have changed my spark-pulgs and wires, pcv vavle, fuel filter.
Aug 6, 2010 at 1:48 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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