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Need Help with Arcing?!

This is a discussion on Need Help with Arcing?! within the General Help forums, part of the LSx Technical Help Section category; I have a 1999 Pontiac Trans Am because it was having a really bad idle problem, stumbling when accelerating. I ...

  1. #1
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    Blue/Green Chameleon
    1999 Firebird

    Need Help with Arcing?!

    I have a 1999 Pontiac Trans Am because it was having a really bad idle problem, stumbling when accelerating. I took it to a shop and they told me it was due to arcing on the coils, 2 coils are bad and they need to be replaced. THey quoted me $957! Is this the right diagnosis and could i do this job myself? I really dont have a grand to pay for this to get fixed.

  2. #2
    2004 HEAD/CAM CTS-V 9t8z28's Avatar
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    SILVER
    2004 CTS-V

    I have seen them used for $20 and all 8 for $150

    Look around

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    Member Benner's Avatar
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    Pewter
    2001 GrandPrix GTP

    Coils are pretty expensive. You can do it yourself but its still gonna be over $500 to buy all 8 coils.
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    Blue/Green Chameleon
    1999 Firebird

    alright, thanks. anybody know if replacin the coils is an easy job? or if that is even really the actual problem? T

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    Blue/Green Chameleon
    1999 Firebird

    yeah i found gm replacements for $315 for all 8, i just wanted to know if this was the right way to go if i could do it myself. thanks!

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    Veteran 0rion's Avatar
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    I'm on the outside looking in really and am not there so take this for what it's worth. I'm not sure if I've EVER heard of anyone having LS1 coils go bad. That don't mean it doesn't happen, I just haven't run across it.
    Coils are very very easy to do. You could easily do this by yourself. Get a second opinion before you do anything and don't tell them what the first shop said when you drop it off. Act like they're the first to look at it.

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    Blue/Green Chameleon
    1999 Firebird

    Quote Originally Posted by 0rion View Post
    I'm on the outside looking in really and am not there so take this for what it's worth. I'm not sure if I've EVER heard of anyone having LS1 coils go bad. That don't mean it doesn't happen, I just haven't run across it.
    Coils are very very easy to do. You could easily do this by yourself. Get a second opinion before you do anything and don't tell them what the first shop said when you drop it off. Act like they're the first to look at it.
    yeah i dont know if there bad or not, they did show me the whole left side coil packs and they are sparkin like crazy, would that be a sure sign that they need replacin?
    oh thanks for closin the other thread, didn't realize it had been moved!

  8. #8
    Veteran 0rion's Avatar
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    sparking from where?

  9. #9
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    Blue/Green Chameleon
    1999 Firebird

    well there kinda coming from the sides, and down on the bottom of them where there bolted onto the valve covers, right around there. just really intermittenly, off and on up and down

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