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Thread: something wrong with truck..

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  1. #1
    Join Date
    Dec 2006
    Location
    Southern California
    Posts
    151
    i was driving to work today, when all of a sudden the motor started surging really bad, and eventually stalled on me. after trying to start it, it would start but then eventually stall a few seconds after. what could this be?
    2007 NNBS 4.8 -k&n, magnaflow, 8000k HIDS.




  2. #2
    Join Date
    Jan 2006
    Posts
    2,590
    SOUNDS LIKE A CLOGGED FUEL FILTER. MINE DID THAT ONCE AND THAT WAS WHAT IT WAS. THIS IS JUST MY GUESS. HAVE SOMEONE DO A SCAN ON IT TO SEE THE TROUBLE CODES.

    JAMEST
    12 Sec. Club! SOLD
    La Viuda negra/ a.k.a. Black Betty

    LQ4 6.0L, WCCH HEADS, LEVEL 5 FLT 4L80E TRANS. WITH TRANS BREAK, YANK 3200 STALL, TRICK TURBO, TURBONETICS T-76 TURBO, CUSTOM INTERCOOLED, 68lb INJECTORS, CUSTOM S/D TUNE FROM NELSON PERFORMANCE, COMP CAM 212/214 .557/.559 116+2, SNOW METH. KIT, . ALL INSTALLED AND DYNOED AT NELSON PERFORMANCE: 5**?HP @ 5073rpms and 5**TQ @ 4389rpms AT THE WHEELS WITH 10 PSI OF BOOST. ALL 3/4 TON TRUCK 5435LBS, NOTHING TAKEN OFF, STREET TIRES, AND USUALLY 2 BABY SEATS. WANNA RIDE?
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  3. #3
    Join Date
    Dec 2006
    Location
    Southern California
    Posts
    151
    can you do a scan on a 1990? i didnt think you could... I'm going to replace the fuel filter later tonight, because its been a while since its been replaced anyways. I'll let you guys know if this is the problem, otherwise I'll be back for more input! thanks
    2007 NNBS 4.8 -k&n, magnaflow, 8000k HIDS.




  4. #4
    Join Date
    Mar 2006
    Posts
    263
    <div class='quotetop'>QUOTE(TomTom &#064; Jun 20 2007, 03&#58;03 PM) [snapback]97316[/snapback]</div>
    can you do a scan on a 1990? i didnt think you could... I&#39;m going to replace the fuel filter later tonight, because its been a while since its been replaced anyways. I&#39;ll let you guys know if this is the problem, otherwise I&#39;ll be back for more input&#33; thanks
    [/b]



    be sure and check for a vaccum hose off....this will cause it to surge and run really rough, possi ly stallout

  5. #5
    Join Date
    Nov 2003
    Location
    Denton Texas
    Posts
    20,540
    First thing to check is the fuel pressure. I think it&#39;s supposed to be 15 lbs on the throttle body engines. Chances are most likely that your fuel pump is dying a slow agonizing death.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

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