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Thread: 2015 Mustang Ghost Cam Issue

  1. #1
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    2015 Mustang Ghost Cam Issue

    So I followed @GapRider's instructions on how to create a ghost cam tune in #182 over at this thread: https://forum.hptuners.com/showthrea...ford+ghost+cam. However, I have a slight drivability issue with mine. While in neutral at a stop, if I push my clutch in or let off the clutch, the RPMs briefly dip down into the 500s. Feels like the car is about to stall. Aside from that, I have it chopping really nice. I just want to fix this small drivability issue for stop-and-go traffic. Anyone else encounter this before and have a fix for it? Here's my tune as it sits phase2 pops + ghost cam.hpt

  2. #2
    Senior Tuner SultanHassanMasTuning's Avatar
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    a log would be good, torque reserve would also be adjusted for a more stable idle

    must also follow the VCT mode
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    Quote Originally Posted by SultanHassanMasTuning View Post
    a log would be good, torque reserve would also be adjusted for a more stable idle

    must also follow the VCT mode
    Sorry. I should have posted a log. I attached one here. You can see it dip a little bit when I push the clutch in. Then, when I let out of the clutch, it really dips. I did it a few times so that you can see it reproduce the issue. The whole time, I'm in neutral. It's an issue when I depress the clutch to put the car into 1st gear to take off from a stop or when I am just nudging up in traffic and I go back to neutral and let off the clutch. Once it catches itself, it starts chopping again and idles fine. It's just those brief dips that are super annoying.

    12-2-21 ghost cam idle issue.hpl

  4. #4
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    Quote Originally Posted by SultanHassanMasTuning View Post
    a log would be good, torque reserve would also be adjusted for a more stable idle

    must also follow the VCT mode
    I upped the torque reserve as you suggested, and it seems to have helped. I also lowered the correction window from 41 max and -41 min to 21 max and -21 min. It seems to "search" less now. Is there anything else I should adjust? Thanks!