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Weird thing happened...

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Old Nov 29, 2005, 01:25 PM
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Weird thing happened...

I was drving to school this morning. I usually warm my car up before i take off every morning. It just happened that this morning was really cold outside. When I was taking off from a stop light. I got on it on 3rd gear up to 6k rpm and then shifted to 4th gear. But after I got it on forth gear the car jerked forward really bad. Same as when you stall really bad from 1st gear. The car didn't turn off but I still did stopped by the side of the road to check things. What happened here? Did I hit a fuel cut? My current boost during the summer is 20-20.5 psi. I haven't changed it since then. I never experienced anything like that before, I just want to know what it was.
Old Nov 29, 2005, 01:29 PM
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colder weather sometimes will do this from my understanding, colder air is denser which will let more boost creap. fuel cut is possibly what happened
Old Nov 29, 2005, 01:30 PM
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yeah its been really cold in the morning this week compare to last week.
Old Nov 29, 2005, 01:31 PM
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turn your bc down, i had too
mine did the same thing
Old Nov 29, 2005, 01:35 PM
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yea I gotta monitor my boost gauge in the morning from now on.... Its warmer during noon so, until it gets really cold all day long, thats when ill turn it down a lil....
Old Nov 29, 2005, 01:45 PM
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Fuel Cut
Old Nov 29, 2005, 03:23 PM
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No you hit your neighbor's dog...

did you throw a CEL? if so disable the battery for a sec and connect it back up again.

don't try to drive fast like me..lol
Old Nov 29, 2005, 03:35 PM
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Fuel cut. I get it in mine as well... you HAVE to get it warm enough to get the needle moving, before getting on it.

It feels like someone stood on the brakes.
Old Nov 29, 2005, 05:48 PM
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Originally Posted by AzBlackEvo8
No you hit your neighbor's dog...

did you throw a CEL? if so disable the battery for a sec and connect it back up again.

don't try to drive fast like me..lol
hahaha, i guess i didn't warm my car enough this morning. I'm always late... no cel though, so I just kept driving after I pulled over to the side....
Old Nov 29, 2005, 05:50 PM
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Originally Posted by Fireball
Fuel cut. I get it in mine as well... you HAVE to get it warm enough to get the needle moving, before getting on it.

It feels like someone stood on the brakes.
your right....
Old Nov 29, 2005, 05:51 PM
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If no one minds me asking, how exactly does a fuel cut happen? I am pretty sure its there for safety reasons, how does it work?
Old Nov 29, 2005, 08:42 PM
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Originally Posted by celerilux
If no one minds me asking, how exactly does a fuel cut happen? I am pretty sure its there for safety reasons, how does it work?
Your ecu senses that there is too much boost and cuts the ignition for a split second. it is for safety.
Old Nov 29, 2005, 08:46 PM
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Originally Posted by USAF_STi
Your ecu senses that there is too much boost and cuts the ignition for a split second. it is for safety.
yup, it feels nasty like your car just hit something and wants to stop
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