Question about 1995 Chevrolet Blazer

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1996 chevy 305 vortec,stops after it rains,no fire,just installed new plugs,wires,cap and rotor,and crank position sensor,still no fire,and no codes

It used to fire after a day or 2...then i replaced these parts to try and stop it from happening such fire and no codes...hard turning over now,occasional backfire,sounds bad when you crank it

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  • Bill
    Bill Dec 26, 2013

    forgot to has spark at the plug...and fuel at the schrader valve

  • Bill
    Bill Dec 28, 2013

    i dont know if you're serious,but im a little further along than "snug ur plug boots,

  • Bill
    Bill Dec 29, 2013

    i've been waiting 5 days for a serious answer to my problem,its not the plug wires(is this the only thing you people know???)i should have just swapped the parts out 4 days ago and be done with itand if i find someone dwn the road who needs to know absolutly nothing about vehicles...i'll send them here it

  • Daniel Mc Entee
    Daniel Mc Entee Dec 29, 2013

    you need codes to break this down, to say what is wrong.if no codes then you go back to basics ,first check the coil for a spark,if no spark .test the coil. if coil is ok. check the wires from the ignition switch at the coil do you have power to the wires key in and key off.if that is ok then your ignition module can be the trouble ,but it can also be a failed ECU..or a break in the wiring .that is why you do checks on the wiring ..the trouble is you replaced parts it is not know if you did this would have been better to have got the codes it my just have been a vacuum leak you had in the first place.or water getting on to the wires of the ECU.and shorting it out .fixya can not rebuild your car for you .they can only help if you tell them what was wrong before you changed the parts.and what tests you did to check the parts ,you thought needed changed.

  • Bill
    Bill Dec 30, 2013

    there were never any codes...plz re-read original post

  • Bill
    Bill Dec 30, 2013

    and it turned out to be the ICM...but thx....

  • Bill
    Bill Dec 30, 2013

    correction...faulty NEW CPS...swapped again...fired in one turn


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  • Chevrolet Master
  • 1,449 Answers

Try push the rubber spark plugs covers down over your plugs.

Posted on Dec 26, 2013

  • Daniel Mc Entee
    Daniel Mc Entee Dec 28, 2013

    you have rubber covers that go over the spark plugs if not pushed fully down .the spark can jump .so it can arc .


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Posted on Jan 21, 2011

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