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HEADER INSTALL NOW BIG PROBLEM, Electrical

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Old 07-09-2008, 08:00 PM
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Default HEADER INSTALL NOW BIG PROBLEM, Electrical

Ok i just installed some pacesetter long tube headers and replaced all the spark plugs and wires and now i am having trouble. The car seems to want to stall when it is in drive and idleing. it boggs down to about 300 rpm and revs its self back up to about 500-600rpm. When i accelerate normally when it is doing this it almost stalls out. Also it shifts hard as hell. I have checked the header bolts and i got new o2 sensors and o2 extensions. could it be a spark plug issue what should i do.
Old 07-09-2008, 08:01 PM
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you should get it tuned, but it shouldnt be running that shitty because of no tune. just check over EVERYTHING!
Old 07-09-2008, 08:06 PM
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Did you reset your PCM after you installed them to have your car relearn itself? May help possibly and do you have any leaks of any kind? +1 check everything
Old 07-09-2008, 08:09 PM
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Make sure your spark plug wires are in all the way.
Old 07-09-2008, 08:09 PM
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yeah i reset the pcm i could not find any leaks. im thinking there are some bad connections on the spark plugs could that cause this
Old 07-09-2008, 10:36 PM
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make sure the battery terminals are corrosion-free and snug.
Old 07-11-2008, 02:53 PM
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you have cracked spark plugs and you didnt gap them, your front o2 sensors are probably plugged into the rear harness or the wires are burnt through, maybe a few vacumn leaks, and you adjusted your idle.

you should of just paid me to put them on

Last edited by FireSilverLullaby; 07-11-2008 at 03:09 PM.
Old 07-11-2008, 03:00 PM
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check the wiring on the pass side of the engine. It runs right down the frame rail and gets burned up pretty easy on new header swaps. It is in line with where the dipstick is.
Old 07-11-2008, 03:31 PM
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yeah once i turned my car on and it ran like crap, almost died, and i realized a ground for my drivers side bank of cylinders wasnt connected (i think it ran through the ECT sensor right above the front drivers exhaust port. needless to say, replaced the ECT sensor and all was good (or i found the ground, i cant remember which)
Old 07-11-2008, 04:08 PM
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Sounds like either a bad o2 or maybe you have one of the fronts plugged into the rear harness. Are you getting a flashing SES when this happens? That would indicate a misfire and would point to spark plugs/wires either being loose or broken.
Old 07-11-2008, 05:27 PM
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i think he fixed his problems i went over for a lil while to help. He didnt have the spark plug wires pushed on the coil packs all the way, had one cracked spark plug, and all his spark plugs were gapped at .35. Should be running better now
Old 07-11-2008, 05:31 PM
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that will do it. hows it feel now OP?
Old 07-11-2008, 05:32 PM
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i think hes just regapping them now and installing new ones. hes puttin some platinums in, but i told him just to get some good old tr-55s
Old 07-11-2008, 05:36 PM
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Originally Posted by FireSilverLullaby
i think hes just regapping them now and installing new ones. hes puttin some platinums in, but i told him just to get some good old tr-55s
Hardheaded huh? Jk !!!! I cant understand why waste the money on those.
Old 07-11-2008, 06:06 PM
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did u take the coils off on the install? in know i did and i droped the rack of them and 1 cracked n i didn't know it till start up
Old 07-11-2008, 07:53 PM
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what are they supposed to be gapped to? i dident even have to remove my plugs when i installed headers
Old 07-11-2008, 08:15 PM
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Their suppose to be around .045. hhahaha yeah hes real hard headed



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