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90 4.3 popping!

   
Old Sep 6, 2011 | 04:43 PM
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Default 90 4.3 popping!
lose of power really bad! changed plugs, wires and put a new fuel pump in but still if i put the peddle to the floor it pops and boggs down really bad. now its got worse doing it around 3000rpm's. any sugestions?
 
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Old Sep 6, 2011 | 06:36 PM
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What brand fuel pump? Could be the fuel regulator. check fuel pressure.
 
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