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Thread: Supercharged Marauder Throwing Code P0340 NEED HELP PLEASE!

  1. #31
    Join Date
    Jul 2002
    Location
    Marietta, GA
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    90
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    548
    Great that everything is working correctly again. Using a 'scope has great benefit in tracking down noise, glad the tech knew how to use it. Most techs are remove/replace, not the troubleshooting kind. Glad some good ones are still around.
    Bill
    03 Mercury Marauder, 300A SOLD
    2005 Lincoln Town Car, ADTR Supercharger, TCE Brake Lines, MO's Tune SOLD
    2025 Lincoln Aviator Reserve AWD

  2. #32
    Join Date
    Jun 2019
    Location
    VA
    Posts
    206
    Quote Originally Posted by Black Terror View Post
    Great that everything is working correctly again. Using a 'scope has great benefit in tracking down noise, glad the tech knew how to use it. Most techs are remove/replace, not the troubleshooting kind. Glad some good ones are still around.
    Thanks Bill...it was GREAT to get her back out and "Blow the carbon Off the Plugs"!!!!

  3. #33
    Join Date
    Dec 2003
    Location
    New York, USA
    Age
    63
    Posts
    3,439
    THERE IS A KNOWN PROBLEM WITH THE ENGINE HARNESS RUBBING AGAINST THE BACK OF THE HEAD ON THE DRIVER'S SIDE.
    CHECK YOUR HARNESS IN THE AREA WHERE THE IGNITION HARNESS ENTERS THE COIL COVER ON THE DRIVER'S SIDE OF THE ENGINE.
    IF THE RUB IS NOT BAD, YOU CAN JUST WRAP THE HARNESS WITH BLACK TAPE.
    IF IT IS VERY BAD, THEN YOU NEED TO GET A REPLACEMENT HARNESS OR FIX THE INDIVIDUAL WIRES AND ADD LOOM TO COVER THE AREA.

    TELL THIS TO THE DEALER INSPECTING YOUR VEHICLE.
    Pete...


    2k04 BLACK Mercury Marauder 300A #810 of 3223
    DOB 10/31/2003
    DOP 1/2/2004
    2K23 Dark Magnetic Grey Toyota 4Runner Limited 4WD
    DOB 10/2023
    DOP 4/2/2024

    Water Wetter, K&N AirCharger/Drycharger, SS Inserts,
    SilverStar 9007SU, WeatherTech WeatherFlectors, Steering Wheel Badge,
    AutoMeter Gauges (Oil Press, Voltmeter, and Trans Oil Temp),
    ASC 840 VSS Sunroof, Kenwood KFC-C6879ie x4, COBRA Fender Badges,
    Z&M Rear Control Arms, FORD GT Coil Covers,
    Gorilla Lock Lugs all around, Decklid Designs Trunk Lid Liner,
    SCT Xcalibrator2 (Innovative Interceptors) w/Lidio's (Alternative Automotive) Marauder 3.55 tuning,
    4R75W by Fred Brown's Performance Transmission, tuned to match Lidio's tune,
    DG Motorsports Carbon Fiber Radiator Cover, Zack's Badgeless Grille,
    Accel 140034-8 Coil Packs, Granatelli Motorsports Coil-On-Plug wires
    Even though I walk through the valley of the shadow of rice,
    I will fear no turbo for displacement is with me.

  4. #34
    Join Date
    Jun 2019
    Location
    VA
    Posts
    206
    Quote Originally Posted by MENINBLK View Post
    THERE IS A KNOWN PROBLEM WITH THE ENGINE HARNESS RUBBING AGAINST THE BACK OF THE HEAD ON THE DRIVER'S SIDE.
    CHECK YOUR HARNESS IN THE AREA WHERE THE IGNITION HARNESS ENTERS THE COIL COVER ON THE DRIVER'S SIDE OF THE ENGINE.
    IF THE RUB IS NOT BAD, YOU CAN JUST WRAP THE HARNESS WITH BLACK TAPE.
    IF IT IS VERY BAD, THEN YOU NEED TO GET A REPLACEMENT HARNESS OR FIX THE INDIVIDUAL WIRES AND ADD LOOM TO COVER THE AREA.

    TELL THIS TO THE DEALER INSPECTING YOUR VEHICLE.
    I was aware of this issue as I am a MARAUDER OG...when I received a new motor at 49,600 miles...the harness rubbing issue + a LOT of other known by then issues (head cooling mod, motor frame placement points, etc) were addressed...BTW...the Twin Screw went on at 58,500 miles...and NOW she has 96,400 miles...and THANKFULLY running GREAT!!! *again!

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