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JMSMotorsport

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Posts posted by JMSMotorsport

  1. NA+T conversion, merged a BA XR6T map to my ECU in a  XE,

    Having trouble to get it to idle at commanded. Starts off fine but then as it runs the AFRs starts going rich, doesn’t matter how much I increase the Slope table at idle there’s no improvement, it’s at a point now that off idle it’s lean. 
     

    i gather I’m missing a idle fueling table somewhere? Can anyone point me in the right direction. 

  2. Building a XE Barra conversion. Had everything working read the ECU out twice, then flashed in a PATS disabled File. But only done one of the PATs tables missed the other one. Now when I try to flash in the new file I get a connection error. Tried a recovery and get the same error? Any ideas have I bricked the ECU? 

  3. Just now, Bill said:

    I just read you're response & thought....Shouldn't it have been either ABS CAN or TCS CAN already? I then had to read from your initial post again & saw the reference to VRS Via Wire....that should have also been a trigger for issues.

    Good to hear you've got it sorted

    When I first connected and downloaded the stock file it was set for VRS via wire and control was undefined. Must be a glitch when it first gets the VID block data. 

  4. Having some trouble with a 2009 FG XR6 With the 5 speed trans, have modified the VID block to correct speedo after diff gear change. Now cruise comes up and just flashes, I have speed control enabled, Speed control source - VRS Via Wire and Speed control type - Non Intergrated. This stopped the cruise flashing and now sets but it won’t hold it tries to then just turns off. Mind you this is on a dyno so could that be because the front wheels aren’t moving? Or should it be set up different? 

  5. Indeed the Variable camshaft Timing adds a large degree of changes in VE and as you say would be a nightmare to tune this system that way. I had good results tuning the slope table on a XR6T but the non variable V8 threw me but as explained seems straight forward. 

  6. On 6/13/2020 at 12:59 AM, Roland@pcmtec said:

    V8 5.4 all rows are the same so a bit easier.

    Don't need to touch slopes for stock injectors 

    Where does the load axis come from? As Cruise and WOT will be different fuelling requirements. 

  7. I’m chasing an issue with a BA XR6T, Completely stock apart from a FG Turbo and a Dump back exhaust system. It will get to around 3500-4000 rpm and then just falls flat and cuts out. I’m guessing it’s overboost. If I zero the wastegate duty should this then just open under wastegate spring pressure to help me determine if it is boost cut or something else? 

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