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Thread: Disassembly: Manifold Pressure Differential Sensor

  1. 06-16-2012, 10:23 PM #101
    Greg E
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    Got it!

    I'm up in Easton flash tuning a couple cars, diagnosing the NLTS issue on Aaron's car, getting new tires for my car and entertaining a date with a hot chick.

    Get back to you on Monday! Got a much better understanding of what's going on now. Will explain later.

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  2. 07-05-2012, 02:40 PM #102
    Jesters Deadd
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    Did we resolve this issue?
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  3. 07-05-2012, 02:47 PM #103
    Greg E
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    Quote Originally Posted by Jesters Deadd View Post
    Did we resolve this issue?
    No but I've been working with Marc on it. Made some progress this week. I'm writing something up for him to try right now actually.

    His and my availability just don't match up well so progress is slow.
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  4. 07-06-2012, 07:45 AM #104
    Greg E
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    Oh speaking of, remember that timer I mentioned earlier? I believe It's actually a function based off the change in speed. I'm pretty certain the purge activates if your speed does t change for a long period of time. Like when you're cruising for a long time or just idling in traffic and not moving.
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  5. 07-06-2012, 10:17 AM #105
    Jesters Deadd
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    timer huh? that seems like it could be used for other coding tricks.
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  6. 07-06-2012, 11:03 AM #106
    Greg E
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    Quote Originally Posted by Jesters Deadd View Post
    timer huh? that seems like it could be used for other coding tricks.
    No, this is specifically for the speedo. ...unfortunately....

    I'm wondering if the reason the solinoid activates on Marc car is because he lets the motor warm up at idle.
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  7. 07-06-2012, 02:56 PM #107
    awdonly
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    Quote Originally Posted by Greg E View Post
    No, this is specifically for the speedo. ...unfortunately....

    I'm wondering if the reason the solinoid activates on Marc car is because he lets the motor warm up at idle.
    Unlikely since once the car is at operating temp - if you turn it off and then restart the solenoid will start clicking within just a few seconds of startup.
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  8. 07-06-2012, 03:53 PM #108
    Greg E
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    Quote Originally Posted by awdonly View Post
    Unlikely since once the car is at operating temp - if you turn it off and then restart the solenoid will start clicking within just a few seconds of startup.
    So maybe it's not a speedo delta like I originally thought. It's just when the car isn't moving at all.
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  9. 07-12-2012, 09:38 PM #109
    awdonly
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    Think I may have just figured out your timer. Fresh DR650s are in and car is idling in garage while I inspect for water/oil leaks and letting the penetrating oil burn off. For complete disclosure, I've also changed to EVO MAF and 560s. The purge valve started clicking as soon as car was warm, but after another few minutes it stopped - after about a minute its back on....
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  10. 01-05-2013, 11:35 AM #110
    Kx1984
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    does anyone have a diagram on which pin is what on the map?
    for the people adding them

    Kx
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