2.0L LSJ Performance Tech 205hp Supercharged SS tuner version. 200 lb-ft of torque.

help. white smoke

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Old Jul 21, 2010 | 06:29 PM
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Exclamation help. white smoke

well my car was all fine.

got the fuel pump replaced under a recall and changed fuel filter at the same time. also went ahead and replaced the tensioner blazin talked about.

but i seen my car today smoking a bit out of the exhaust some white smoke. so stopped at the shop because I had to get some oil when i turned the car back on white smoke came out of the exhaust slowly drove the car home when i got home go out and looked at the exhaust while car being on and no smoke idk what it can be. temps are good. coolant level is good car runs normal and good.

been told head gasket maybe or oil backing up in the turbo.

anything else i should look/think about? anyhelp will be apreciated thanks
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Old Jul 22, 2010 | 08:51 PM
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White is DEF coolant...
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Old Jul 22, 2010 | 09:19 PM
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oil out the turbo would be bluish. Don't you have your oil pan tapped?
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Old Jul 22, 2010 | 09:22 PM
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i had the same problem.. mine was comin apart for my build anyways but mine looked like the headgasket pulled apart a little bit near cylinder 1.. do a compression check see if it gives u any more info
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Old Jul 22, 2010 | 09:25 PM
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I say cylinder #1 or #4 leaking coolant from head gasket
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Old Jul 23, 2010 | 09:14 AM
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will be doing a test. what numbers should i be looking for for a good compression?
also if turbo seals are bad it will smoke tho white smoke instead of blue
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Old Jul 23, 2010 | 09:23 AM
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high numbers i think lik in the 200 area
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Old Jul 23, 2010 | 09:24 AM
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oh i had read anything over 150 is good. mayb thats just for the 2.2's tho?
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Old Jul 23, 2010 | 09:40 AM
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a truly HEALTHY LSJ is gonna be in the 190-210 range, 150-170 is super high mileage/wear, but likely still runs ok.

Turbo seals dumping oil straight into the exhaust may smoke grayish white as opposed to bluish white but sometimes its hard to tell the differnece in colors.....there is NO mistaking the smells though, coolant is sweet.
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Old Jul 23, 2010 | 09:45 AM
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yeah found out 190 or more lol thx for the confirmation tho
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Old Jul 23, 2010 | 10:02 AM
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Def sounds like a head gasket.
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Old Jul 23, 2010 | 10:09 AM
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yeah the lsj is up there bro
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Old Jul 23, 2010 | 10:14 AM
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dont really know much about the lsj but i thought white smoke was fuel.

could it be that when you changed the filter all the **** and grime and grit that was in there got loosened up in the fuel line and just when you started up and drove it cycled thru and came out the exhaust?

just my .02
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Old Jul 23, 2010 | 10:17 AM
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Originally Posted by ericgt79
dont really know much about the lsj but i thought white smoke was fuel.

could it be that when you changed the filter all the **** and grime and grit that was in there got loosened up in the fuel line and just when you started up and drove it cycled thru and came out the exhaust?

just my .02

White smoke can mean its running lean as well. So you are sorta correct. But coolant is white as well.

Are you getting this at idle, WOT, both? I know you saw it on startup, but from what i gathered that was the only time? Also how much are you seeing?

Can you grab a vid? Pull some plugs as well.
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Old Jul 23, 2010 | 10:18 AM
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how about take an exhaust sample to the dealer and have them analyze it
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Old Jul 23, 2010 | 10:19 AM
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Originally Posted by ericgt79
how about take an exhaust sample to the dealer and have them analyze it
or you can just smell it? lol it will be either coolant or oil and there is no mistaking the smells
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Old Jul 23, 2010 | 10:35 AM
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Old Jul 23, 2010 | 10:39 AM
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i had this and it was a seal around my spark plug i replaced it and now no smoke
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Old Jul 23, 2010 | 11:01 AM
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can anyone tell me what 9:5:1 means? i really never understood that.
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Old Jul 23, 2010 | 11:13 AM
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cool FYI!
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Old Jul 23, 2010 | 11:17 AM
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what it is ! Hmmmm. its the fart you squeeze out of your butt, but you try to catch it with your ass cheeks aand it makes that squeeky sound.. but search it youll find it. think of, compression, ratio, possibly the bore, stroke, i dunno. But google that monster lol.
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Old Jul 23, 2010 | 11:19 AM
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9:5:1 is the compression ratio of the stock pistons..

i remember when people were half helpful on this site..
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Old Jul 23, 2010 | 11:20 AM
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Originally Posted by scotch89
can anyone tell me what 9:5:1 means? i really never understood that.
its a compression ratio. and its 9.5:1, not the way you typed it
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Old Jul 23, 2010 | 11:21 AM
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From: wyomin
Originally Posted by 06_SIC_SS
9:5:1 is the compression ratio of the stock pistons..

i remember when people were half helpful on this site..
lol ya i now its the compression ratio, but im asking what does each number mean if that makes since......lol i cant remember people being helpful on this site at all lol, you learn to grow with it i guess.
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Old Jul 23, 2010 | 11:25 AM
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could just be moisture in the exhaust burning up has it been really humid around you lately i know my car will do on days when its really humid out or has rained recently but it will only be for a few mins right after start up by the time i get to were i was going it doesnt do it anymore
just a guess tho
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