PCM Diagnostics & Tuning HP Tuners | Holley | Diablo

Wtf B2 Ltft -50

Old May 19, 2006 | 04:19 PM
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Default Wtf B2 Ltft -50

Ok so i start my car up and my ltft are at -50 for bank 2 i nstantly think wtf. I reset fuel trims every thing goes to 0 but bank 2 ltft stay at -50. I drive around some my stft are working fine for both banks. Both o2s are switching so what gives why wont the ltft move for bank 2?
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Old May 19, 2006 | 04:21 PM
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Sounds like a bad o2
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Old May 19, 2006 | 04:23 PM
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Didnt think that o2s would still switch and read if it was that bad but i will switch the sensors and see what happens.
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Old May 19, 2006 | 05:05 PM
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OK well a little up date i swithced the O2 sensors around and nothing. However i did forget that its the histogram that reads -50. LTFT bank 2 says -100 . any ideads guys im beging to think computer either mine or the cars going to check to make sure that my hpt still works on another car.
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Old May 19, 2006 | 07:22 PM
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well it turns out i was loging to many pids in hpt and that caused my fuel trims to show up as -100. Thanks to Gillbot for pointing out the obvius to me
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Old May 19, 2006 | 07:49 PM
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Originally Posted by 98redorangeta
well it turns out i was loging to many pids in hpt and that caused my fuel trims to show up as -100. Thanks to Gillbot for pointing out the obvius to me
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Old May 25, 2006 | 05:09 PM
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I have the same problem, can anyone define what number is too many PID's
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Old May 26, 2006 | 01:00 PM
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theres no set #...98's have a max of 24bytes of info via hptuners at least...that could be 12 pid's it could be 24 pid's...it all depends on the pid's being used.
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