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09-12-2006, 07:26 AM #1
- Join Date
- Nov 2005
- Location
- Michigan
- Age
- 36
- Posts
- 26
Chameleon- 1999 Trans Am
exhaust smoke after lt and catback install
after installing my headers ory and catback i am getting exhaust smoke. It shows up about 2-3 minutes after startup and continues and is a light gray color. Is this just the oil from the mandrel bending stil burning off or is the computer dumping a bunch of extra fuel in the engine due to my not having the rear o2s tuned out yet, or could I have the front o2 insufficient switching errors from the o2s being to far downstream to heat up properly that i have heard people have had
Last edited by bigcraig987; 09-12-2006 at 08:18 AM.
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09-12-2006, 01:50 PM #2
Yes your car will run a lil rich until you get it tunned but nothing too worry about. Your rear 02 sensors dont serve any purpose but too tell the comp. that your cats are working. I personaly had my front 02's foul out after a few miles of driving due too the ceramic flakin off and contaminating the sensors. Switched them out and was good too go. I would worry about it too much but on the same token is it realy bad or barley noticeable? Could be from another issue and now your noticing it.
J2001 SS, Its not the car its the Driver that matters....
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09-12-2006, 02:08 PM #3
does your exhaust smell like gas now? and how long has it been smoking, if its been awhile we can rule out the oil on the pipes
LS6 Engine swap, Custom Predator Tune, Lid, SLP Cold Air, Ram Air H.O. Hood, Hooker Long Tubes, !Cats, 3" True Duals w/Dynomax Bullets, Performabuilt stage 2 w/3600 stall, B&M Trans. Cooler, Moser 12 Bolt w/ 3.73's
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http://community.webshots.com/user/demonspeed_ta
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