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misfiring still ocurring!!!

This is a discussion on misfiring still ocurring!!! within the Internal Engine forums, part of the LSx Technical Help Section category; well i have changed my plugs, wires, switched the coil packs and injectors to see if the code moved to ...

  1. #1
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    silver
    2000 camaro ss

    misfiring still ocurring!!!

    well i have changed my plugs, wires, switched the coil packs and injectors to see if the code moved to the other cylinder and nothing!!!. its not the plugs, wires, coil packs, or injectors. i have spent so muc money on this car in the last month!!!! pwer steering pump, clutch plate , y pipe had to be fixed had a leak, o2 sensors went bad, throwout bearing!!!! now icant get it to stop misfiring!!! anys suggestions??? maybe a broken spring or pushrod??? and whats the best way to go about this cost wise???

  2. #2
    Member keliente's Avatar
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    99 Firebird Formula

    It is a specific cylinder?

    Starting to sound like a problem with pushrod/valvespring. Pull the valvecover and have a look. Remove the rockers from said cylinder and pull out the pushrods, they should roll smoothly on a flat surface.

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    Senior Member SeVeReDiStOrTiOn's Avatar
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    Yea I agree...gonna have to pull the valvecover and see what's up. Double check the wiring going to the coil and the injector...look for any kind of damage. How does your oil and coolant look...getting a lot of white smoke?

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    silver
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    it is cylinder 5 misfire, and yes i had white smoke yesterday, and it is burning oil a little now. also the check oil, and change oil came on.

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    Member Exotic Performance Plus's Avatar
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    Hugger Orange
    1999 Z28

    Hmm, it might be a bad head gasket. Don't drive it like that if it is (white smoke)burning water. Bob
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    silver
    2000 camaro ss

    would it be worth it while im in there to just go ahead and do a head valvetrain swap???

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    silver
    2000 camaro ss

    that would certainly fix the problem wouldtnt it, changing the pushrods, valve springs, etc, and all the gaskets, while giving me some good hp, i mean the expensive part is getting the heads off and it looks like im gonna have to do that anyway to fix it, i was thnking the ls1 to ls6 conversion kit, cuz i wanna keep it kinda mild. ths is also a pretty good value????

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    Senior Member ninobrn99's Avatar
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    Quote Originally Posted by Exotic Performance Plus
    Hmm, it might be a bad head gasket. Don't drive it like that if it is (white smoke)burning water. Bob
    this is what i was gonna recommend.

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    well, had a compression test done and the #5 cylinder is dead. nothing happening in there. there trying to figure out what exactly it is like a valve spring, piston ring, pushrod, etc. they even through out the idea of getting a whole new engine, cuz the price might not be worth the risk. any comments??

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    Senior Member ninobrn99's Avatar
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    with my car, i has a misfire on # 5 and 7 cylinders. turned out to be the headgasket. look at the front of your kmemeber and if you see coolant on there, but nothing coming from your waterpump, then the gasket may be your issue.

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    silver
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    where would you recommend getting a used engine from?

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    well i just talked to fbody motorsprts in charlotte and they will sell me a used block with 20k miles on it with a warranty for 1 thousand, and 1500 for parts and labor to fix it. does this sound worthy of consideration, should i go ahead and save up a little more and while he has the heads off just swap them for some patriots.

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    silver
    2000 camaro ss

    any comments??

  14. #14
    99PontTA
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    what was found to be the trouble?

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    silver
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    well, they did a compression test done and the number 5 cylinder was dead, its the piston like the ring or something.

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    Man that sucks. If you got the money do a stock rebuild with a cam and heads.

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    silver
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    hey big g's, you think that block i mentioned above sounds like a good idea?? ill just go ahead and do a head and cam swap while im at it

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    silver
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    what sucks is i dont have headers yet so it will kinda be restricted to some degree, not getting the full benifit from cam and heads but i haveto take advantage of the engine being pulled apart and save on installation.

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    silver
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    ?????????????????

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    Senior Member ninobrn99's Avatar
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    if you really think its the block, then get the other one.

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