2.4L LE5 Performance Tech 16 valve 171 hp EcoTec with 163 lb-ft of torque

Exhaust Black Smoke

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Old 07-23-2007, 03:59 PM
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Exhaust Black Smoke

So yeah.....theres black smoke and black fluid shooting out of my exhaust...what the hell? I have no earthly idea what it means or is and cleaning the air filter didnt fix my problem that I had, it just gave me some of my hp back. It still runs a bit slower and Im really scared of what this could mean, anyone got a clue?
Old 07-23-2007, 04:08 PM
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running rich...way rich?
Old 07-23-2007, 04:23 PM
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I dont think so,I got it professionally tuned the other day. Reflashed rather.
Old 07-23-2007, 04:29 PM
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Clean your maf with some electircal contact cleaner. Should fix you right up
Old 07-23-2007, 04:42 PM
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Originally Posted by arng22
running rich...way rich?
.... my first thought as well
Originally Posted by SSBOOST
I dont think so,I got it professionally tuned the other day. Reflashed rather.
then what's your wideband gauge say?
Old 07-23-2007, 05:33 PM
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Dose it smell like unburnt gas if so prolly running way rich. Change to a larger injector and or diff plugs recently? I had that happen once with my 79 malibu After i put in way to large of metering jets.
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