The Stump of the Century

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The Stump of the Century - 5/7/2008 9:24:55 PM    Skefais   Posts: 6 Joined: 3/26/2008 Status: offline WELL!!!! ive got a problem that not even the professional friend i have can seem to solve.. I have a 1998 Dodge dakota sport with a 3.9L 239 V6 Great motor big v6 for its size BUT! cylinders 1, 3 and 5 Misfire. cap and rotor is fine new plug wires new spark plugs plenty of spark and there is a signal to my fuel injectors... LETS SEE who can help me before i throw a stick of dynamite in my cab n walk away Post #: 1

RE: The Stump of the Century - 5/8/2008 8:16:22 AM    middleriggle   Posts: 14 Joined: 12/4/2007 From: Pittsburgh, PA Status: offline How's the compression for the cylinders? (in reply to Skefais) Post #: 2

RE: The Stump of the Century - 5/8/2008 4:06:31 PM    Skefais   Posts: 6 Joined: 3/26/2008 Status: offline compression seems fine ive been driving it on the 3 cylinders.. buddy says there may be a vacuum leak but that would have to be a pretty big one.. something one would be able to hear.. im thinking maybe my computer might have gone out... either that or my fuel injectors are clogged to all hell  (in reply to middleriggle) Post #: 3

RE: The Stump of the Century - 5/9/2008 5:26:38 AM    middleriggle   Posts: 14 Joined: 12/4/2007 From: Pittsburgh, PA Status: offline well, without claiming I know the systems, I would doubt you have a bad computer if your getting signal at the injectors and plugs.  You may have one, but I would doubt it.  I don't think the vacuum leak would have an effect as great as you have.  Normally, in my experience, its enough to cause an engine to run bad, but not of a whole side of a block.  If you're not sure of the amount of fuel your getting, the only thing I can tell you is to try running some "dry gas" through your system.  That's always what my family refers to it as (dad's a mechanic).  Fuel injector cleaner, something to that nature.  Not sure what it runs on the market, I get it through my dads shop.  You may still have bad injectors eventhough you're getting a signal.  (in reply to Skefais) Post #: 4

RE: The Stump of the Century - 5/10/2008 3:54:21 PM    batman13 Posts: 2826 Joined: 2/21/2006 From: N.Ridgeville, OH Status: offline pull your injectors, inspect them. then run fuel system cleaner through it, i usually get a tank of 93 when im running on fumes then run a full bottle into the tank\ drygas is a fuel system antifreeze, not a cleaner. make sure you get the right stuff. just a fyi _____________________________ quote: ORIGINAL: spenca15 Sometimes you gotta look ahead, not at whats right in front of you (in reply to middleriggle) Post #: 5

RE: The Stump of the Century - 5/11/2008 8:48:56 PM    injmopar   Posts: 273 Joined: 9/22/2004 Status: offline Those three injectors are all fed power from the same wire.The Ecu grounds each injector to fire it.I would check  that you are getting power when ever the key is on. _____________________________ 88 2.2 5SP 95 5.2 Mag A518 8 1/4 Electronic ignition Custom EFI (megasquirt 2.2) (in reply to batman13) Post #: 6

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