xtmx

Just went through this with a friend of mine... Searched everywhere and tried everything. A tube going into the catch can was pinched...

GL.

BLKCarbonEVO

iTrader: (2)

Could be AFRs or your turbo is going out. Its okay just upgrade to a Red or Black

justa4banger

iTrader: (14)

Plz read my signature.... it did the same on my 8 turbo too

justa4banger

iTrader: (14)

Plus if it was my turbo it would smoke all the time

cij911

iTrader: (14)

it is not the turbo....log the car and you'll figure out what is happening....black smoke is caused by rich condition....so your question is why am I running rich right after WOT ?....my guess is your o2 sensor, but I would need more info. to be 100%....

Your car is spraying a TON of fuel and then does not lean up quick enough (10:1 AFR after lift off is your problem)....not sure if it is your tune (adjacent cells), fuel injectors, or a bad 02 sensor...

justa4banger

iTrader: (14)

ok...changed the front 02 sensor, code went away from check engine light....so thats fixed...but still smokes.... next im replacing the egr valve.....
my car has 99k miles....
i had 2 codes of the egr valve malfuctioning, and no the vaccum hoses did not pop of it...
ill keep this thread posted when i replace the egr valve tomorrow

rolly1818

can you post your fuel maps?

maybe your car is changing to the low octane maps after lift off (never seen this) but i know those maps are VERY rich.

justa4banger

iTrader: (14)

ok...changed the egr valve, definitily stopped smoking as much as before, but theirs still some smoke....but very little...their was oil in my old egr valve, what does this mean>??>?

rolly1818

get a catch can for the crankcase breather and the PCV.

justa4banger

iTrader: (14)

i have a catch can for the crackcase but not for the pcv.... i will invest in one though

rolly1818

i had my catch can on the breather for months and nothing, a few weeks on the pcv and u will start seeing oil.

justa4banger

iTrader: (14)

so i should swap them??

xsolowx

iTrader: (8)

had the same problem using the perrin catch can.....it would only smoke on lift at WOT turned out where the perrin catch can is mounted was right under the front strut tower bar, which had the catch can hose pinched.....once I found this, and straightened the hose out the problem went away....

so check if it isnt piched i would check the hoses and can to make sure they arent clogged...

rolly1818

yup but if u track a lot and based on your mods, get two

justa4banger

iTrader: (14)

ok 2 it is