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Does resetting the OBDII system reset to fuel trim?

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Old 09-29-2009, 12:02 PM
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Does resetting the OBDII system reset to fuel trim?
Just curious, thanks
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Old 09-29-2009, 12:05 PM
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if you're just talking about CEL. then nope. it wont

if you'r talking about pulling battery or pulling "Room" fuse, then yes.
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Old 09-29-2009, 12:26 PM
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The stupid fuse resets the radio and tripometer, kind of annoying. I was looking for another to con the computer dang
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Old 09-29-2009, 10:36 PM
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It will only reset the fuel trim temporarily. The ECU will relearn and you will be back where you started.
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Old 10-01-2009, 10:02 AM
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Is this why the car will die everytime I come to a stop sign or am coasting for the first 30 minute after I put the battery back in the car? Or is that another problem?
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Old 10-01-2009, 10:26 AM
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Yes, you are correct.

Usually you can drive around the block two or three times. Shut it off each time and by the third time the ECU should be re-programed to idle.
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Old 10-01-2009, 12:20 PM
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Originally Posted by SEANMAC777
Is this why the car will die everytime I come to a stop sign or am coasting for the first 30 minute after I put the battery back in the car? Or is that another problem?
That means either your Throttle body has a problem and/or your Engine has a problem.

IT has NOTHING to do with ECU resetting, shutting down at stop sign is NOT the way its supposed to be.

I've been there. End up BOTH had a problem, Replaced under warranty
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Old 10-01-2009, 02:14 PM
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nice........

check my other thread "running terrible....need help"

Do you think this along w/ the other problems means I'm getting a new engine?
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