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SO I hit a bump, and my car turned off...?

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Old 02-17-2009, 10:23 PM
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SO I hit a bump, and my car turned off...?

So i was playin aroung with my buddy in his S4 today, and I went over this bump goin sorta quick (like 45?) and my motor just dies. Everything electrical is still on, brakes ok, lights/ steering ok... engine not on. So it rolls into a parking spot and i try to start it... nothing just keeps trying to trun over. I give it a minute and do it again, it kinda rolls to a start but sputters out real quick. After letting it sit for about 5 minutes i start it up, give it some gas rev it a little and she is fine. Started fine since. OK but what the hell made my motor die?
Will this happen if say i hit something on the freeway?

Backround: never came across this problem. Just had stage GM stage 2 installed 2 days ago.
other mods: Injen intake, poly trans mounts, megan exhaust (axle back)

No engine codes thrown.
No dash lights
no fuel seen around the injectors, i made sure all the injector connections were secure, and they were.

????
Old 02-17-2009, 10:25 PM
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Its a safety thing. It shuts off the motor because it thinks you were in an accident. That way if you really were in a crash, fuel wouldnt be pumped out of the tank all over the wreckage.
Old 02-17-2009, 10:26 PM
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well my friend with the A4 said it might be that to... but he hit it goin about the same speed and was fine... then again hes got softer handling suspension...so was i just driving stupid? and is there anything you an do to "tone down" this?
Old 02-18-2009, 01:38 AM
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i've had this happen 3 times myself... and last time it happened i tried popping the clutch out to see if it would restart and nothing... really creepy... so i shut it off (still rolling around 45mph) and started it like normal and away we went
Old 02-18-2009, 03:06 AM
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thats weird but safety for the win
Old 02-18-2009, 03:19 AM
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its a feature a lot of cars have, same with a rollover. I know fords have a system that shuts the engine off in a rollover to avoid starving the engine of oil. Don't know if chevy/Balts do it, but i had a buddy with a mustang, and his sensor was malfunctioning slighty, if he went around corners too fast, his car thought it was rolling over and would shut off haha.
Old 02-18-2009, 04:53 PM
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Originally Posted by ls1fbody
its a feature a lot of cars have, same with a rollover. I know fords have a system that shuts the engine off in a rollover to avoid starving the engine of oil. Don't know if chevy/Balts do it, but i had a buddy with a mustang, and his sensor was malfunctioning slighty, if he went around corners too fast, his car thought it was rolling over and would shut off haha.
haha my buddys ford had the same problem a few times

well thanks for your guys input feels somewhat better knowing my car isnt going to crap out on me hahahah

oh well I guess safety FTW..... i guess lol
Old 02-26-2009, 01:07 PM
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Had the same thing happen to me... turns out my keychain was to heavy (had a bunch of keys on it) and it had rotated the key out of on... Kinda freaky.
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