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  1. Replies
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    Now I have a different project going was...

    Now I have a different project going was wondering if somebody still provides a service to have the tcc locked at 0% tps and also have the ability to hold first gear in manual low and not upshift to...
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    I never got around to looking into the issue the...

    I never got around to looking into the issue the project got put on hold , I think it was a ECM issue or the tune file was corrupt because commanded timing kept going to 60 degrees.
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    All three codes show up at the same time and only...

    All three codes show up at the same time and only under the stated conditions . The only other issue I've had it, was once I was cruising in the mountains going about 70 mph , it gradually started...
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    Its a 3 BAR GM brick style sensor . Was running a...

    Its a 3 BAR GM brick style sensor . Was running a turbo earlier , hence the 3 BAR sensor . I have a stock GM 1 BAR sensor laying around will try that . Still doesn't explain the excessive timing...
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    218572185821859 Also not related , I keep...

    218572185821859

    Also not related , I keep getting these codes . They only happen at a cold start after I put it in drive and idling . Once the codes are triggered the engine stalls and wont...
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    Custom OS , no MAF

    Custom OS , no MAF
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    Still haven't resolved the issue , tried full...

    Still haven't resolved the issue , tried full reflash a few times. Tried the custom SD OS 3, 2 bar and 1 bar with same results .
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    I will try that , weird thing is the ecu wont...

    I will try that , weird thing is the ecu wont start adding timing right away, it happens after about 10 -15 mins of steady cruising.
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    Hey Jeff , you modified my tune a while ago , I...

    Hey Jeff , you modified my tune a while ago , I still can't get the converter to stay locked when I get off , can you please take a look at it again . Sorry to bother you again
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    60 degrees commanded ignition timing

    For some reason the computer is commanding close to 60 degrees of timing even under full load . How my engine survived the 500 mile trip is beyond me with that kind of timing lol . Its a 2003 lq4 ,...
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    Thanks for the reply joecar . Its the fuel pump...

    Thanks for the reply joecar . Its the fuel pump or the regulator most probably the pump :( . Hooked up a gauge goes to 55 psi and then settles at 20 psi weird . Its a new walbro 255 pump with...
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    barely running after calibration only flash

    Hi , its a lq4 6.0 with ls3 heads, intake , 42 lb ls3 injectors, throttle body, ls1b controller, return style fuel system . I am running a 3bar COS , its a N/A setup . Everything was running good , I...
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    That was quick , thanks Jeff, much appreciated ....

    That was quick , thanks Jeff, much appreciated . I must be really dumb or I've had a long day at work, but I cant find the parameters in the uploaded tune . I looked under trans and tcc tables...
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    Would really appreciate if you could modify my...

    Would really appreciate if you could modify my tune Jeff. Its a pain with a high stall triple disk converter locking in and out thanks.

    Dil
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    ok so after flashing it a 1000 times with...

    ok so after flashing it a 1000 times with different OS and calibrations lol it works . Didn't do anything different has the same OS and calibration as I posted above but for some reason it works now...
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    Help me out guys , gotta get my jeep running , ...

    Help me out guys , gotta get my jeep running , don't know what to do or look for completely clueless. I have installed the custom os and tuned my 2001 Camaro with a ls1 before , I never had any...
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    Yes , just like it said in the tutorial I changed...

    Yes , just like it said in the tutorial I changed the values in the custom tables accordingly . Should I try a custom OS from a different year or would that cause problems ? Like say 2004 ?
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    Thanks for the reply joecar , yes the rail...

    Thanks for the reply joecar , yes the rail pressure was set with FPR vacuum hose disconnected . Yes the "jeep_original_modified_0000.ctz" is the stock os file with a few changes for the map ,...
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    Custom 3 bar OS problem

    Hi guys , first time poster, so take it easy on me :D .
    I am swapping a 6.0 lq4/4l80e into a 2009 jeep wrangler . The powertrain is out of a 2003 chevy silverado 2500hd . Its has l92 heads , ls3...
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