what is causing my engine to sputter and backfire during heavy acceleration?

1999 DODGE CARAVAN
164,000 MILES
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BURNZ78
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  • 1 POST
I hav been driving a lot on the highway lately and my engine has started to backfire when I am accelerating to pass or on inclines. It seems fine under "normal" acceleration.
Jun 24, 2012 at 9:36 PM
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