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  1. #1
    Jr. Engineer
    Join Date
    Feb 2007
    Location
    Edmonton, Alberta, Canada
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    298

    Default truck won't catch when cranking.

    Hey guys,

    I am sure im not the first to post this, but I have a problem.

    93 suburban, 350, TBI, all new drivetrain. went out this morning to a temperature of -17C from a +4c yesterday.

    I tried to start my truck, it will turnover, but not start. I went as far as firing some naptha in the throttle body to see if everything else was working well, and sure enoughit tried to start. no fuel from the injectors.

    Now,

    the troubleshooting really starts. im thinking frozen fuel line? Fuel filter? Pump?

    where would you start... I am about to meter out the pump relay to see if its getting 12v, when im done I'll post results.

    any suggestions? or ideas?

    thanks

    Soul

    1993 K1500 Suburban 350TBI, 378,486KMS on frame, 49,000KMS on Drivetrain. Lots of mods, built for haulin trailers and haulin @$$ :)

    2000 K2500 Yukon XL 6.0L Vortec 252000KMS custom CAI, and exhaust...but not done yet.

    "If you are dumb enough to do something you don't know how to do, and can't do it safely then WHEN you get hurt its your own fault...BONEHEAD"

  2. #2
    Sr. Mechanic crane3447's Avatar
    Join Date
    Jan 2008
    Location
    Calgary ,Ablerta
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    194
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    Default

    Hey there northern neighbour! The same thing happend to a buddy of mine a couple years back. It was his fuel pump. We had just drove from Canmore the my place in SE Calgary. He parked in front of my place and came in for about 5 mins. When he went back out, the truck was dead. It was a '94 2500 with a 350 TBI. Thats how a fuel pump goes. Without warning. If you are getting a spark then most liikely thats your problem. Pull off your air cleaner and see if you can smell fuel.

    "I'm not mean... your just a sissy"

    Jason
    CURRENT
    '04 silverado 1500 2wd 5.3 (47,000K) - baby
    '97 serria 4x4 2500 454 (121,000K) - beast
    '07 saturn vue V6 (17,000K) - wife's
    '93 ck3500 4x4 6.5 desiel (300+ adding every day)
    - best of all. I don't pay for it!!!

    PREVIOUS
    '04 colarado Z71 3.5 (should have been yellow. complete lemon!)
    '91 serria 2500 2wd 454 (sold at 320,000) - tank

  3. #3
    Legend

    Join Date
    Feb 2008
    Location
    Red Wing, Minnesota, United States
    Posts
    3,386

    Default

    if it is your fuel pump lay underneath the gas tank with a good hammer after finding the position of the fuel pump, give it a good whack or two while somone else tries starting it, i know this sounds odd, but trust me this has worked on my 99 burban and so many other chevys from 92-99, its just a quick fix but then you know its the pump!

  4. #4
    Sr. Mechanic crane3447's Avatar
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    Jan 2008
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    Calgary ,Ablerta
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    Default

    Quote Originally Posted by vncj96 View Post
    if it is your fuel pump lay underneath the gas tank with a good hammer after finding the position of the fuel pump, give it a good whack or two while somone else tries starting it, i know this sounds odd, but trust me this has worked on my 99 burban and so many other chevys from 92-99, its just a quick fix but then you know its the pump!

    I thought that the hammer routine only worked on starters. I've got to remember that. We have 5 '91 to 98 chev/gmc's at work. All high miles.

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