Question about 1993 GMC Sierra K1500

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98 Chevy Vortec 5.7 NO SPARK

I have a spark problem, I have replaces cap, rotor,plugs, wires, coil, coil pickup, ignition Mod, crank sensor, and still have no spark at the coil. Is it true that if the fuel pump does not have 50 -60 pounds of pressure that it would tell the computer to not spark? Any help would be appreciated. Thanks

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  • nic8001 Jun 29, 2009

    No, no battery issues, it tests good. Thanks

  • SEANRYAN38 May 11, 2010

    WAS THE BATTERY CHANGED OR LEFT GO FLAT IF SO YOUR KEY AND CAR HAVE TO BE PROGRAMED

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It is true about the fuel pump i would check the cam senor wire thats what it sounds like to me becouse of no spark to the coil what gose before the coil to spark is the cam senor wire wore off i bet i would check that out and check all of you ground wires to i think the truth is the fuel pump thats why it wont spark just get it and change it out 90 dollors i work on cars every day i would know lol if this could help u your welcome

Posted on Jul 29, 2012

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Your ecm or engine control modual, usually located behinde the glove box.. it fontroles the coil and distrubator funonctions

Posted on Aug 14, 2009

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Has nothing to do with battery going dead...may run funny for a minute, but will re-learn itself and will not need to reprogrammed

Posted on Jul 11, 2013

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