Question about 1997 GMC Savana

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Replaced clutch. then went to start no spark. checked with many test with distributer and the throtal position sencer. checked signal from the sencer to the ecm and we go the sqaure wave pattren. but the ecm isnt tell the coil to spark. i dont know why it wont spark? no dtc. no pending codes.

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  • Ronnie Wilson May 11, 2010

    Spark Control Modual /

    ?

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I put transmission in "02" Ram, had same problem. Turns out, I cracked crank position sensor. I replaced it and it runs like a champ.

Posted on Sep 07, 2015

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Make sure you did not get any wires pinched between engine & bellhousing this is common.If it started and ran before doing clutch, nothing you did should change that! Are all wires back on starter motor?

Posted on Feb 26, 2009

  • Richard Scordino Feb 26, 2009

    Make sure you did not get any wires pinched between engine & bellhousing this is common.If it started and ran before doing clutch, nothing you did should change that! Are all wires back on starter motor?

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