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Thread: Full 3l hesitation

  1. #1
    Join Date
    Feb 2012
    Location
    Blacksburg, VA
    Posts
    825

    Default Full 3l hesitation

    I've noticed with my full 3l if you give it hard gas she'll bog down. Now if you back off the pedal and come back on her she'll hold her own. I am running with a cop setup, cai into the fender, svt tb bracket, egr deleted. On occasions when you start her you hear a brief pop sound.
    (`..`..-> 1998 ѕιℓfяσ 3ℓ <-..`..)

  2. #2
    Join Date
    May 2006
    Location
    Plymouth,MI
    Posts
    3,699

    Default

    Tuned yet?
    '98 SVT E0 BLK/MNB#1663 3L Always broke.
    '99 SVT E1 BLK/TAN#0741 Sold
    '07 MAZDASPEED3 GT

  3. #3
    Join Date
    Feb 2012
    Location
    Blacksburg, VA
    Posts
    825

    Default

    Haven't found a place to do it near me. And I've contacted a place I will not name for even a mail order tune. And I have no cel.
    (`..`..-> 1998 ѕιℓfяσ 3ℓ <-..`..)

  4. #4
    Join Date
    Aug 2010
    Location
    spokane wa
    Posts
    1,051

    Default

    i had that when i had my cops installed
    1999 Mercury Cougar Full 3.0L MTX
    221HP, 223TQ

  5. #5
    Join Date
    Feb 2012
    Location
    Blacksburg, VA
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    825

    Default

    I've heard that from one other member. On my torque program it shows no misfire. I wonder if the second coil isn't getting fully charged before it needs to fire.
    (`..`..-> 1998 ѕιℓfяσ 3ℓ <-..`..)

  6. #6
    Join Date
    Dec 2010
    Location
    Denver, CO
    Posts
    557

    Default

    Mine would do the same after a quick shift at high RPM, get into the next gear hard on the gas and it will completely fall on its face, only does that occasionally. I am guessing it just needs a better tune.
    02 Cougar: Street driven track car. Full 3L w/ boltons, HMS trans, 6pt roll bar, weight reduction, built suspension, 13" Wilwoods, 8" w/ 245's
    #4683: under the knife
    07 GMC Sierra Classic: Duramax/Allison, loaded

  7. #7
    Join Date
    Feb 2012
    Location
    Blacksburg, VA
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    825

    Default

    Yeah, I'll release the throttle then go at in again and she pulls hard.
    (`..`..-> 1998 ѕιℓfяσ 3ℓ <-..`..)

  8. #8
    Join Date
    Feb 2012
    Location
    Blacksburg, VA
    Posts
    825

    Default

    Playing with the idea of running off a coil pack again.

    (`..`..-> 1998 ѕιℓfяσ 3ℓ <-..`..)

  9. #9
    Join Date
    Aug 2003
    Location
    Penfield, NY
    Posts
    2,816

    Default

    My full 3l has a COP conversion and runs perfect. No hesitation or any other issues. Mine has been tuned though.
    02 Cougar Sport - Full 3.0L/HMS Trans/Koni Suspension
    07 Focus SE ZX3 - FRPP Suspension/Gunmetal E1's/AVIC Navigation/Hitch - The DD
    97 F150 - Toy Hauler

  10. #10
    Join Date
    Feb 2012
    Location
    Blacksburg, VA
    Posts
    825

    Default

    Pulled my cop conversion off couple of days ago. Significant difference.

    1) no tune causing performance issue with them

    2) bad cop maybe?
    (`..`..-> 1998 ѕιℓfяσ 3ℓ <-..`..)

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