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Thread: missfiring possibly??

  1. #1
    Join Date
    Oct 2009
    Location
    Stephenville,Tx
    Posts
    193

    missfiring possibly??

    ok so at first i thought it was my transmission but now i think the truck is misfireing. when its at a stop and you lightly give it gas to to get rolling it feels like its cutting out once you get up above 2500 rpms its fine but when the truck is rolling through town and you barely give it gas rpms at about 1500-1700 it does it again it feels like its misfiring but i checked all the plug wire they are on good and none are burnt and the truck isnt throwing any engine codes???
    2006 Chevy ECSB 5.3 - New L33 Motor,CAI, Descreened MAF, Nelson 93 tune, Transgo Shift Kit, servos, 3in exhaust, Borla, pacetter LT's, and ORY, Aeroforce Furture: stall, cam, 4.10's

  2. #2
    Join Date
    Mar 2003
    Location
    San Antonio, TX
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    11,038
    brake stall it in second gear, do you feel a misfire? Or, slowly accelerate in fourth gear with the converter locked up.

  3. #3
    Join Date
    Oct 2009
    Location
    Stephenville,Tx
    Posts
    193
    yeah when im in 4th gear and lightly ease into the gas i can feel it
    2006 Chevy ECSB 5.3 - New L33 Motor,CAI, Descreened MAF, Nelson 93 tune, Transgo Shift Kit, servos, 3in exhaust, Borla, pacetter LT's, and ORY, Aeroforce Furture: stall, cam, 4.10's

  4. #4
    Join Date
    Mar 2003
    Location
    San Antonio, TX
    Posts
    11,038
    cracked plug, bad wire, or injector maybe.

  5. #5
    Join Date
    Oct 2009
    Location
    Stephenville,Tx
    Posts
    193
    ok i figured its probably a broken plug they have 100k on them the wires are still in good shape and i have sleeves on them how would i tell if its and injector? it only does this in 4th and it will do it from a stop after ive been driving for a little while other than that WOT and idle i cant feel a thing
    2006 Chevy ECSB 5.3 - New L33 Motor,CAI, Descreened MAF, Nelson 93 tune, Transgo Shift Kit, servos, 3in exhaust, Borla, pacetter LT's, and ORY, Aeroforce Furture: stall, cam, 4.10's

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