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you can also check your could be giving and taking power causing the backfire.then check your CARB!.I ran all new rubber lines($40 @auto parts) to the tank ,took me an hour !never had a fuel problem again.. If your exhaust is the O.E. exhaust it will have catalytic converters. Check to ensure that the "honeycomb" inside is not melted, or broken. This can cause lack of power and backfires through the exhaust. It is your smog pump or something in that ballpark.

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โˆ™ 2009-04-02 02:41:56
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Q: Why would a 1986 Ram Charger 318 backfire after a few minutes and bog down and lack power if the timing is right and plugs and wires and the fuel filter are new and the choke is not sticking?
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