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Type: Posts; User: jb0322

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  1. Replies
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    New tune

    Here is a new tune with updated MAF fail settings. Seems to work way better it will start on the first key on instead of having to cycle the key. Still no chnages anywhere else but having the problem...
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    No the wideband isnt reading on the log

    No the wideband isnt reading on the log
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    Okay it was like that for the stock injectors is...

    Okay it was like that for the stock injectors is all im saying. Where can i get some data to populate that table?
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    offset vs inj temp has been zeros since its been...

    offset vs inj temp has been zeros since its been tuned NA
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    E38 Custom 2 Bar boosted 5.3L

    Im in need of some help it seems i cant figure this out to save my life. I cant seem to find out why the truck wants to fall on its face like. I've tried everything to adding fuel to taking fuel...
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    Yeah the Ve is all over the place due to trying...

    Yeah the Ve is all over the place due to trying to tune the fuel tables and get them right but doesn't seem to be effecting anything with changing fuel tables. I'm only trying to make about 8-10 psi...
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    The entire tune is scaled by 50% with all airflow...

    The entire tune is scaled by 50% with all airflow tables
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    KR and Timing being pulled

    Can anyone help me with why im seeing so much knock in this tune? its basically retarding so much timing it will cut out in boost bad only at like 3 psi of boost. This is a e38 twin turbo 5.3l. If...
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    Cant Find the Problem E38 2 BAR SD

    Cant seem to find the problem of why my truck seems to be cutting out as soon as it gets into boost. Almost sounds like it will physically not let it go past a certain point of boost and im only...
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    well i exhausted every option with changing TB...

    well i exhausted every option with changing TB and Pedal assembly with new plugs on each and also changing grounds with no luck. Ended up being a bad ECM which fried the TAC module in the ECM....
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    anyone?

    anyone?
  12. Replies
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    I put them back to those values in effort to try...

    I put them back to those values in effort to try and see if it will help bc i have read the TM can act funny on the E38 trucks. It was all zero before.
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    Spark/Fuel Torque Management Type

    Im having an issue with the truck cutting out in boost and i logged PIDS to see fuel cut and spark cut. I attached a picture of what is logged along with log and tune. This is a twin turbo 5.3 with...
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    Ended up being the ECM after all. I changed the...

    Ended up being the ECM after all. I changed the pedal and TB and all the plugs to both. After i did that still going into REP so i had an extra ECM swapped it out and didnt have a problem yet.
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    The p2101 dtc is set to no error reported already...

    The p2101 dtc is set to no error reported already and it still throws that code. What time on the tune did you notice that? Do you look at commanded throttle vs what? to see what its commanding and...
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    I have tried the throttle clean several times...

    I have tried the throttle clean several times with no luck and how do you know its the slave segment? Is this a common thing to put it up in the 40%. It feels like it i lose the pedal as soon i hit...
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    Ongoing REP on E38 silverado

    I have been fighting a REP issue for over a month now and have exhausted the following options. Throws codes (P1516,P2119,p2101)

    -I have changed the throttle body with no luck
    -I have added the...
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    Most of the time it throws the code p1516,p2101...

    Most of the time it throws the code p1516,p2101 and p2109 when it does it. I can drive the truck for an hour and it be fine then all of sudden it will go into REP. I'm running the COS for the 2bar SD...
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    Do you have to do a write entire for these P1516...

    Do you have to do a write entire for these P1516 modifications to take place? Im having an issue on an e38 boosted truck that will run fine for a period of time then it goes into REP randomly. I have...
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    OKay so ill return the injection timing back to...

    OKay so ill return the injection timing back to 110 on the normal ECT and then ill add 15 to the boundary and see what it does. Im still mind***** of how the truck worked previously a month ago...
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    Also the truck does have a relatively large cam...

    Also the truck does have a relatively large cam for a 5.3 in it. 224/230 so i assume thats why the injection timing could be advnaced by that much? "Bigger cams can exhibit a phenomenon known as...
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    OKay i will look and see if i can find a stock...

    OKay i will look and see if i can find a stock 5.3 ect table to put back tp stock and see what happens there. Also the VE table all i did was take the 105kpa row and mutiply it by 1.75 to the 175kap...
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    I have checked fuel pressure the hard way plugged...

    I have checked fuel pressure the hard way plugged in a mechanical gauge to the regulator and put the go pro under the hood and not once did the fuel pressure drop. never did a 3rd gear pull and get...
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    Just out of curiosity what is injection timing...

    Just out of curiosity what is injection timing suppose to be this is how the parameters were set before i did anything to the truck from NA. So i haven't changed it?
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    The FPCM is unplugged and i have tweaked the VE...

    The FPCM is unplugged and i have tweaked the VE mapping to meet my needs but your suggesting to go back to the stock VVE mapping?
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