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Fuel Trims not budging

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Old Jul 7, 2013, 07:06 PM
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Exclamation Fuel Trims not budging

I have tried every fix I found from searching this site. no matter what I do I can't get my LTFT mid and Lo to cycle. I made sure that the rear o2 is not disabled. I killed the battery and was able to get Lo to move once but not so much anymore. I am using ROM 96530706. My guess is there is some small setting i am missing or not set all together. I have FIC 950 injectors if that matters at all. They are scaled at 812. I tried scaling up but no luck. Any suggestions?

Thanks.
Old Jul 7, 2013, 07:37 PM
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I have to disconnect the battery every time I check my LTFTs. Works once and when I disconnect from the ECU I have to disconnect the battery again to check them again.

cheers
Old Jul 7, 2013, 08:48 PM
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So after every change I need to disconnect the battery? Did not realize that. I was under the impression that the flash reset the trims.
Old Jul 7, 2013, 09:22 PM
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On the IX reflashing resets the trims, but not on VIII's.
Old Jul 7, 2013, 09:43 PM
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Awesome......thanks for the replies.
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