Need help with repair/arcing coils?!
03-21-2008, 04:47 PM
#1
Staging Lane
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Need help with repair/arcing coils?! 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.
03-21-2008, 04:50 PM
#2
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haha first off who told you that? Was it a reputable dealer or some Joe **** the rag man? Either way if it is a coil that could be solved by buying a set off a yukon or tahoe out of a local junkyard for cheap. Any SES light?
03-21-2008, 04:53 PM
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Staging Lane
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just some local shop around here, parents have been goin there forever. no ses light, just the idle dipping really low then back to normal and some hesitation/stumble at acceleration after the car gets warm
03-21-2008, 05:08 PM
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check the maf as well, you may have a piece of trash messing with everything, this has happened a few times with me. but coils are easy to come by at most junkyards
03-21-2008, 05:16 PM
#6
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so if i just buy the new 8 replacement coils, its pretty much just plug and play? would the bad coil be a legitimate reason to the dip in idle and stumble? i figured it would throw a code and turn on the ses light
03-21-2008, 05:37 PM
#7
"One problem you might run into is buying coils that are on a bracket where as yours are mounted right to the valvecover because you have a 99."
Only the 98's are bolted to the valve cover. 99-02 are on a bracket.
"would the bad coil be a legitimate reason to the dip in idle and stumble?"
Yes, and it may not throw the code as you are experiencing.
Only the 98's are bolted to the valve cover. 99-02 are on a bracket.
"would the bad coil be a legitimate reason to the dip in idle and stumble?"
Yes, and it may not throw the code as you are experiencing.
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03-21-2008, 06:35 PM
#8
Staging Lane
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"One problem you might run into is buying coils that are on a bracket where as yours are mounted right to the valvecover because you have a 99."
Only the 98's are bolted to the valve cover. 99-02 are on a bracket.
"would the bad coil be a legitimate reason to the dip in idle and stumble?"
Yes, and it may not throw the code as you are experiencing.
Only the 98's are bolted to the valve cover. 99-02 are on a bracket.
"would the bad coil be a legitimate reason to the dip in idle and stumble?"
Yes, and it may not throw the code as you are experiencing.
Thanks for all the quick responses guys!
