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Thread: Odd LTFT behavior on 01 GS

  1. #21
    Tuner in Training
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    thanks that's what I was trying to figure out from your other post ( I'm PCM illiterate!!!)
    I'll try this and report back for anyone else that may have this issue.

  2. #22
    Tuner in Training
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    well- that didn't work. I'll be driving along, good LTFT numbers, all of a sudden it spirals up to 16.4. Sometimes it stays there, other times it comes down. Going to recheck for vacuum leaks, but I thought those would always be there, no transient like this......

  3. #23
    Tuner in Training
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    I wrote my VCM with the bin from a 2000 gtp and lo and behold- no more 16.4 creep. My VIN doesn't match as the OS is different, but -Oh Well!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

  4. #24
    Potential Tuner SlowFiero's Avatar
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    Jan 2009
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    Alberta Canada
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    Just a bump to the top, I see this on my engine swap using a 2002 pcm. When I was running 99 code, it never did this, but with the new 4T65(2002), I have to run the newer code or the transmission doesn't shift.

    Can we please have a fix for this??
    1986 Fiero GT

    L36 3800, 6262 billet turbo, 206/206 cam, ID1000, 4T65E, 235/60R15 M/T DR.

    10.263 @ 134.44 MPH with 1.49 60' @ 3130lbs

  5. #25
    Advanced Tuner
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    Sep 2009
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    Angola NY, (Buffalo)
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    Is there any update on this?
    The Regal has been laid to rest..... rust
    Now have an 06 Lucerne with the 3.8 and wishing HPT would cover that car
    Loved my 2001 Buick Regal GS.
    With more than 334,000K, 3.4 & 3.6 pulley, Change stats and pulleys with the seasons, Upgraded grounds & power wire, Volt booster, Caspers timing commander(AKA happy knob), Spectra intake-fender wall, PLog, 3" DP & 2.5 exhaust, HPTunner 12" Impala duel piston front brakes, New trans,GMPP suspension... yada, yada...

  6. #26
    Potential Tuner
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    Dec 2006
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    Cat Diagnostic Disable

    Quote Originally Posted by GeoJB View Post
    Is there any update on this?

    You can disable the cat diagnostic using TinyTuner program made by Eddie98GTP to open the bin file and go to the cat diagnostic parameter and setting it to 30.

  7. #27
    Advanced Tuner
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    Sep 2009
    Location
    Angola NY, (Buffalo)
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    Ya, well, I can't get TT to work.
    Cant get a BIN file to work with HPT.
    The Regal has been laid to rest..... rust
    Now have an 06 Lucerne with the 3.8 and wishing HPT would cover that car
    Loved my 2001 Buick Regal GS.
    With more than 334,000K, 3.4 & 3.6 pulley, Change stats and pulleys with the seasons, Upgraded grounds & power wire, Volt booster, Caspers timing commander(AKA happy knob), Spectra intake-fender wall, PLog, 3" DP & 2.5 exhaust, HPTunner 12" Impala duel piston front brakes, New trans,GMPP suspension... yada, yada...

  8. #28
    Tuner in Training
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    Aug 2011
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    23
    please show me were I can obtain all these applications so I can use my HPT to turn this off. Its quite annoying and possibly messing up my maf tune with my new cam
    Thanks!