Possibly running Lean?

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eleanor'03

New Member

Sep 9, 2004

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Dec 14, 2005

#1

• Dec 14, 2005

• #1

i tired looking into search for past threads about white smoke coming out of the exhaust. I'm not sure if it's simply because its cold and it should come out almost all the time. Usually when i come to a stoplight I will see quite a bit of white smoke coming out of the exhaust pipe even when really warmed up. It's cold over here in Philly and you can see what exhaust modifications I've done. What can it be? Thanks for your help guys.

 

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thomas91169

I'd donkey punch my sister.

Aug 19, 2005

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Modesto, CA

Dec 14, 2005

#2

• Dec 14, 2005

• #2

im thinking normal.

i have stock exhaust with spintech side mufflers dumped at the side, and when i stop in the morning, you can see the exhaust steam come up and around the side of the car. i love it. and thats stock restricted cali catalytic exhaust, i could only imagine a free flowing no cats exhaust moving more air that is hotter coming into cold climate and the steam it must make.

 

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SigmaPride

New Member

Mar 31, 2005

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Dec 14, 2005

#3

• Dec 14, 2005

• #3

Normal when its cold and offroad pipe. At least mine does the same thing with the prochamber and didn't really notice with the stock hpipe. I don't have any problems either @100k. During warmer weather, though, you should not see smoke after up to operating temp.

 

DocG

5th graders > me. They're not bant

Sep 25, 2005

8,297

1,358

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Cincinnati area

Dec 14, 2005

#4

• Dec 14, 2005

• #4

Is it smoke or just white air like when you breath and its cold. It's been about 20's here and my car has white "smoke" coming out the tailpipes, never did it before so I'm assuming its just because of cold air and the changes in the exhaust temps as it hits the air like explained above.

You run too lean you'll know it, because it'll be pinging.

 

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eleanor'03

New Member

Sep 9, 2004

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Dec 15, 2005

#5

• Dec 15, 2005

• #5

Yea I always though because I was breathing so freely it came out in a white smoke. It's pretty thick though, but it does add a nice effect when it's reved. Thanks guys

 

DBMSTNG

I fantasize about it being BIG!

Founding Member

Apr 23, 2002

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not quite here

Dec 15, 2005

#6

• Dec 15, 2005

• #6

put your hand in the smoke, if it feels moist, it's just water vapor and it's normal. if not, you may be running lean.

the average engine spits out 1 gallon of water for every 1 gallon of gas it burns.

 

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01COBRA-KID

New Member

Dec 17, 2005

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Dec 18, 2005

#7

• Dec 18, 2005

• #7

i have the same problem with my 01 cobra, i have an o/r x pipe and delta 40's. my smoke is mostly when i down shift. smells like raw gas any ideas?? i have done diegnostic test and it shows that my #2 02 sensor is the only failing sensor. Should I try mil eliminators