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Plugs/wires just changed. Dealer checked everything out to be OK. I have SES and it's cylinder 6 misfire. I check it and it's all good. It still misfires under LOAD only. Rev it up and it won't misfire. Throw it in gear and get it to pull it misfires BADLY. Like 75 misfires/second on the one cylinder.
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Make sure that the plug wires are on good, especially the middle ones. They're difficult to get to, and it's easy to pull the boot off of the plug when you're putting the heat shield on (I know, I've been through it).
Next thing to check would be the coils. Quick and easy check (this requires two people). Pull both of the wires off of each coil (one coil at a time), and have the other person turn the motor over a couple of times. There should be an arc between the two posts. If there's not, then the coils are most likely bad.
Ignition control module is a far third possibility.Wife and a dog, they both think they\'re Kujo.<br /> <br />1999 3.8 A4 Y87<br />Navy Blue Metallic<br />BFG G-Force KDWS 275/40/17s, <br />WS6 Wheels (17x9)<br />Phoenix Transmissions 2400 Stall Converter<br />FRA, Holley Powershot filter, Whisper Lid, Ported Throttlebody<br />2000 manifolds, Flowmaster, WS6 Tail Pipes, <br />MSD 8.5mm Wires, MSD Coils, Autolite plugs<br />Performance Cryogenics treated rotors<br />1LE Sway Bars and panhard rod, 1LE front springs w/SLP Bilsteins, stock rear springs w/ 3rd Gen Bilsteins, BMR STB, KBDD SFCs, 1LE rear lower control arms, 1LE front lower control arms<p>1968 Chevelle Malibu 327 TH350 -
Make sure the spark plug is in tight.<a href=\"http://www.fatninjas.com/camaro\" target=\"_blank\">\'96 Camaro Convertible</a>Comment
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tap your cat, see if it's broken up/clogged2011 Camaro LS 6M, in black.Comment
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<blockquote>quote:</font><hr>Originally posted by navyblue2000:
tap your cat, see if it's broken up/clogged<hr></blockquote>
it's brand new. I'm leaning towards clogged fuel injectors.Comment
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Hey, I had the same problem, only under pull, I had misfires, I checked everything, plug wires, plugs and you know how hard it is to change all them> After all this I borrowed a Snap-On scan tool, it turns out that the center coil pack. It had enough juice to fire withoud a load, but under a pull it failed causing number 5 to misfire like 80 times. It costed me $100 to take it to a mechanic to fix. If I would have known that there were only two bolts to remove, I would have saved $50 of that.My car looks great and runs good. <br />Please Look at my car, it may be one of a kind!!! Let me know if you like it...<br />Hard to find 1995 Firebird with 3.8<br /><a href=\"http://www.cardomain.com/member_pages/view_page.pl?page_id=429908\" target=\"_blank\">http://www.cardomain.com/member_pages/view_page.pl?page_id=429908</a>Comment
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oh I forgot to mention...car was just at the dealer...all coil packs were changed. I then changed plugs/wires (they said that needed to be changed). After I did that car ran great for a few days and now it's running BAD.Comment
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If it ran great and now doesn't, you might be burning a plug wire somewhere -- the insulation burned through over the course of a few days. Did you re-use the dividers / loom stuff / etc? Be sure and get them away from the manifolds, they're a main source of burning.
-Rob<b>97 Camaro 3.8L M5</b><br />Car for sale<a href=\"http://terpmotors.com\" target=\"_blank\">terpmotors.com</a> Terrapin Motorsports! UMCPComment
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UPDATE: FYI the Fuel injectors were clogged. They were flushed and the car runs like a champ!Comment
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how were they flushed? just curious1997 Firebird Convertable White, with custom Purple pin striping and custom Purple detailing!!!<br />Y87 Performance Package W68 Apperance Package<br />Boydes, aluminum rims 16\" BMR STB <br />SLP Cold Air Intake 3\"hiflow cat 3\" dynomax custom catback, 2.5\" Flowmaster 80. Slp Take off Shocks, Springs And Struts. Transgo shift kit with corvette servo!<br />Sony Explode CD Player Kicker Comp VR 12, and Explode 760Watt amp!!!<br />5% Tint on the side windows, Correction officially 2% on the side windows, or at least that is what the highpo said and 15% on my rear window<br />Yup Purdy Car!!Comment
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<blockquote>quote:</font><hr>Originally posted by Wolfy:
how were they flushed? just curious<hr></blockquote>
couldn't tell you. I tried fixing the car myself and then I handed over to my parents to take back home and fix. I'm too busy down here to muck with the car so I have no idea. I'll try and find out more details.
According to my Dad the car was running OK after the first repair but the motor wasn't "smooth" so he had the injectors checked out and the car runs better than new according to him. I sure hope so. I'll be picking it up tomorrow.Comment
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