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

Please Help!!!!!!!

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Old 05-12-2008, 02:02 PM
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Please Help!!!!!!!

ok so about 10 min ago i was on my way home from work and i turned onto my block floored it threw 1st hit 2nd got up to about 5500 rpm and it died. would not restart, so i costed about 1/2 mile put it in 3rds and pop started it. it started up but the gauges were frozen at 2200 rpm and 20 mph tryed to accelerate and about 37 gallons of black smoke came out the exhaust, and it died again. im thinking **** it just blew up. i get out pop the hood everything is normal (except my washer fluid cap is open lol) but the dip stick is fine no oil anywere. i get back in the car wait like 30 seconds turn the key and she starts right up no CEL i turn back on the the main hwy take it up threw the gears and everything is fine boost is normal car sounds fine.
anyone have any ideas what it might be is my engine on its way out??? i have a custom tune by paul (06blackg85ss) so im not worried much about that. then i have the vibrant header/down pipe and an injen cai. thanks in adavece guys.
Old 05-12-2008, 02:04 PM
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your leg might have just turn the key off on the car happend to me once before car shut off whn i was hittin the gears started rite up 1 min later dont be nervous. your leg probally just hit the key which shut off the car
Old 05-12-2008, 02:06 PM
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https://www.cobaltss.net/forums/show...&highlight=WTF
Old 05-12-2008, 02:08 PM
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Originally Posted by C0baltWithM0ds
your leg might have just turn the key off on the car happend to me once before car shut off whn i was hittin the gears started rite up 1 min later dont be nervous. your leg probally just hit the key which shut off the car
that would be a 1 in a million chance, and how does that explain the cloud of black smoke. <--that came out kinda mean, but I didn't mean it that way. just trying to help the guy out.
Old 05-12-2008, 02:12 PM
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eh its a cobalt... they randomly do **** like that.
Old 05-12-2008, 02:12 PM
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that thread you posted up is exactly what happend to me. sounds like its just a bad week for cobalts

ok im feelin a little better it doesnt seem to be to serious
Old 05-12-2008, 02:14 PM
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large variances in temperature over a day (yeah it dropped like 30 degrees here since saturday) can throw the car off. Mine has never done it to such extreme, but I also know not to beat on it when the temps drop like that.
Old 05-12-2008, 02:14 PM
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Mine shut off right around 140MPH one time. At the end of a run I did not let the clutch out. I was using the motor to help slow me down. The car died. I pulled off to the side of the road. It wouldn't start. 2 minutes later it was fine again.
Old 05-12-2008, 02:15 PM
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did u read tht thread? its ur crank position sense.
Old 05-12-2008, 02:24 PM
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Same thing happened to me the day I had Stage 2 installed (Posessed by the devil, no CEL, started up OK after turning off). Never happened again since. Our PCMs are known to have issues when getting flashed or "tuned". If it starts to happen regularly, get your flash re-flashed, IMO.

PS: Could be the crank position sensor too, but I think it has more to do with the PCM forgetting the crank re-learn the tech did, then resetting once I re-started.
Old 05-12-2008, 02:28 PM
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its been 40 degrees here all day so i dont think temp change had anything to do with it but you never know
and yes i did read the thread thanks guys
Old 05-12-2008, 03:08 PM
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yeah but it was almost 80 on satruday and 68 yesterday




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