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boflaade -> RE: Ford E250 Missing Please Help !!!!!!!! (6/28/2006 12:20:08 AM)
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I would think the injectors could make it run rough.. If it's getting fuel and spark, then either or both are not being constant. The fuel pump has constant pressure(?) but could be the injectors are dirty. The ignition works but is it hot enough? New plugs and wires or it may be the ignition is grounding out. I had a 1990 GM once and if the timing was set without disconecting a specific wire first, it would ping. I wonder if a wire isn't loose or disconected on the charge or ignition side of the electrical. Just some random thoughts: Try pouring in "injector cleaner" in the tank. Mostly, try wiggling all kinds of wires . I know it sounds stupid BUT I found a loose ground wire on my wifes car. That was for the fuel pump installed by a shop who couldn't find the trouble with her car. If the van used anormal distributer, it could be jumping on the cam but these engines work differently. Really, it's something that seems like a dirty fuel filter. I wonder if it could be at the tank end. If the shop put in a new pump, they must have thought the origional was hooped. I wonder if the screen is plugged and prevents "flow" (not pressure) As long as a pump has fluid it can maintain pressure but the FLOW may not be enough. If you had it running fine and then the symptoms came on suddenly, it could be any of the above.
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