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  1. Replies
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    Hi Silly question - How do I open the .ctz file. ...

    Hi Silly question - How do I open the .ctz file.

    Its been over 12 years on the PT.net forum - seen quite a few mods! And you?

    Thanks
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    I need to run my MAF tune for a day and then...

    I need to run my MAF tune for a day and then flash it back to speed density!
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    Okay so here is the tune that I need to have the...

    Okay so here is the tune that I need to have the P0102 colds not showing. It is a Speed density tune using a custom operating system. I went back to plug in the MAF and it is idling really rough...
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    Actually I read your earlier post - Looks like I...

    Actually I read your earlier post - Looks like I have to run this in MAF/mode temporarily - except I cannot get this thing to idle in this mode??
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    Hi Joecar - Thank you very much for your reply -...

    Hi Joecar - Thank you very much for your reply - So if I connect the MAF and reset the code I can continue to run SD and the MAF Error will go away?


    Best Regards,
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    Question on speed density

    I'm currently running Speed density on a 2002 GMC with a 6.0 engine with that custom operating system. I'm trying to get rid of the PO 102: but I understand the MAF has to fail for speed density to...
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    Hi John, the tables were good as starting point -...

    Hi John, the tables were good as starting point - eventually I have to add a 20% factor to ensure I didn't go lean in the Boosted. The timing table worked out well - Thanks again.

    PS is this...
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    Speed Density in light throttle

    Im finding that after some tuning in closed loop light to mid throttle, the AFR fluctuates between 14.3 & 15.3. Can anyone confirm if this is normal for closed loop operation. Im thinking that If I...
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    Yes it worked! The MAF tables were still there, I...

    Yes it worked! The MAF tables were still there, I had to bring the MAF frequency diagnostics back to stock. My tune was kind of upset but did not throw any codes. Cheers
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    Hi John Thanks again, at least it is a starting...

    Hi John Thanks again, at least it is a starting point. I have to get emissions first then I'll try this as a starting point for tuning.

    Best Regards
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    OK Ill give it a shot an report back! Thanks

    OK Ill give it a shot an report back! Thanks
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    Joe if I put a MAF back in then the DTC will go...

    Joe if I put a MAF back in then the DTC will go away - so will I need to do anything to the SD tune to run the MAF. I followed all the efilive instructions to go to Speed Density.
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    Hi John, Thanks a lot, appreciate your help very...

    Hi John, Thanks a lot, appreciate your help very much. I'm going to try it and report back. I was also wondering if I could have a look at your VE tables since I just changed over to a turbo and...
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    I need the DTC to go away for the SRT any...

    I need the DTC to go away for the SRT any thoughts?
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    Speed Density

    Im currently running Speed Density and have the p0102 code - I was wondering how to make this DTC code go away. Any thoughts?
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    Interesting, I always thought for the return fuel...

    Interesting, I always thought for the return fuel system with the FPR you need to adjust B4001 to account for the pressure various manifold vacuum pressures.

    And yes I always get p0102 - is there...
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    I find from observation that the turbo seems to...

    I find from observation that the turbo seems to spool very well at 25-30 degrees of timing until I hit boost. Anyone able to post their timing tables?
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    Hi JC I have made some changes and have some...

    Hi JC I have made some changes and have some comments to you recommendations, please advise. Thanks

    B3618: need to this to EQR 1.25 for boost (i.e. when MAP exceeds B3613 which you have set to...
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    Yeah it is my current tune, however previously...

    Yeah it is my current tune, however previously used for a blower and it is speed density. I usually run 94 octane and have not had any problems with knock. I will try lowering the WOT timing - It is...
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    Spooling the turbo with timing.

    I recently installed a T7675 on my 6.0 litre and am trying to tune for a good spool. It looks like timing in the 30 degree range helps spool the turbo faster. Can someone look at my tune and make...
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    Need Help with Idle and Turbo Tuning!

    Folks!

    It has been a while since I've been on this site. I've recently removed my blower and have installed A turbonetics T7675 Im having some trouble idle tuning in gear. When ever im in gear...
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    Ross, Im trying to tune my ls9 cam in my lq4 -...

    Ross,

    Im trying to tune my ls9 cam in my lq4 - Im wondering if I can use the same high octane table - it sure looks different but im intrigued by thinking that the high LSA may require more...
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    I did not mess wit hany startup tables - however...

    I did not mess wit hany startup tables - however I have been changing the ve while cranking and brought the idle flareup on startup way down and that seems to help
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    Joecar, Is there anything in my VE table which...

    Joecar, Is there anything in my VE table which you see as not optumized. Please advise.

    Thanks
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    My VE table seems to be optumized - and I went...

    My VE table seems to be optumized - and I went through all the idle tuning tutorial - was wondering if there's anything else that could be done. Something happens when I reflash the pcm and those...
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