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Thread: 03 MARAUDER OVERHEATING

  1. #46
    Join Date
    Sep 2005
    Location
    APPLE VALLEY,CA
    Age
    56
    Posts
    1,054
    Here is the item

    1999-2004 Mustang SVT Cobra OEM M-12029-4V Engine Ignition Coils 8pc Set
    Ebay is $210


    Sent from my iPhone using Tapatalk

  2. #47
    Join Date
    Feb 2006
    Location
    Rosemount, MN
    Age
    55
    Posts
    1,983
    Go to Rock Auto. Motorcraft SP433 AGSF32WM $2.51 each. Stick with Motorcraft coils also. Rock Auto shows $53.79 each. Seems high to me. I would think a set of 8 should be about $200.

  3. #48
    Join Date
    Mar 2004
    Location
    Baltimore, Md.
    Age
    61
    Posts
    11,382
    COPs have been getting 'pretty salty' the last few years.

    Sent from my Pixel 2 XL using Tapatalk
    2020 Ford Ranger STX DFI Turbo 2.3L 10 speed Auto
    2017 Ford Fusion Sport DFI Twin Turbo 2.7L V6 6 speed Auto 14.000 ET bone stock in 82 degree heat
    1985 Mustang GT 5.0 Hatchback 4bbl 5 speed manual
    1984 Mustang GT 2.3 Turbo Convertible FI. 5 speed manual
    1966 427 Cobra (ERA) 468 all Aluminum FE 2x4bbl 5 speed manual
    1999 Ranger 3.sl0w DD/Beater

    SOLD : 2003 Mercury Marauder FI. 4 speed Auto
    w/Crower Cams & Springs, +1mm SS valves, mild port job on the cylinder heads.
    Extrude honed intake w/PHP spacer.
    Kooks Headers w/2.5" High Flow Cats & X-Pipe, Magnaflow mufflers, OEM tailpipes w/Megs Tips
    B&M Trans cooler w/fan, Level 10 Shift Kit, Art Carr Hughes Deep Sump Trans Pan,
    SVO Rearend Girdle, Redline Gear lube; OEM 3.55s
    'Real Gauges' + matching Trans Temp, Oil Temp, Water Temp, Fuel Pressure, Vacuum/Boost Gauge
    Built: 10/15/02 Bought: 12/16/02 Sold: 10/15/18

  4. #49
    Join Date
    Aug 2011
    Location
    Wisconsin
    Posts
    3,991

    WLB
    BB#1) 1996 ImpalaSS - 16,500 miles - 100% stock
    ______________________________ ___________

    BB#2) 2003 Marauder (300a) - 34k miles - Daily Driver
    #2912 of 7093
    Conceived 8/6/2002
    Delivered 9/19/2002
    Adopted 8/10/2011
    Trilogy 242 - Self Installed 9/9/12 (0-60 5.5 sec)
    Pioneer 6x8 Front
    Legacy 600w 6x9 Rears
    JL 6.5 SubWoofer
    K&N CAI
    Window tint 50% rear/35% front
    FBM CHMSL with Strobe mod 7/1/12
    DR Deep Aluminum Trans Pan
    Sparta FOMOCO Racing 8.8 Girdle
    Mo's Dyno Tune
    Gorilla Nuts - The System
    Ford Racing 4.10s, 31 spline Cobra carrier & axles 7/1/12
    Powder Coat Axle Housing 7/1/12
    CME HP Rear Control Arms & Watts Link 7/1/12
    ______________________________ ________________

    Rex "SC Cheesehead" Weinbender 11-14-13
    Ed "Baaad GN" Linthicum 8-6-2014

  5. #50
    Join Date
    Oct 2020
    Location
    texas
    Posts
    18
    P0443 and i got codes showing cylinders 5/7/8 misfire AND P0171 and P0174 ....gonna replace the Vapor Canister...any other suggestions? Thanks team!
    Last edited by dbrown; 10-16-2020 at 05:49 PM.

  6. #51
    Join Date
    Jun 2018
    Location
    Aurora, Colorado
    Age
    70
    Posts
    5
    I had the same issue a couple if years ago. After two trips to the dealer new water pump and thermostat it did it again. Turned out that I needed to clean the outside if the radiator. Just the dust and road grime kept enough air flow out that t overheated. Since I rinse the front side of the radiator regularly, no mor overheating problems.


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  7. #52
    Join Date
    Oct 2020
    Location
    texas
    Posts
    18
    Okay, so here's what happened. The dealership replaced the thermostat with a motocraft one and the overheating issue has stopped. Here is how they screwed me. When the service rep called me he told me that the overheating is fixed but now the car is "RUNNING ROUGH". Keep in my mind it wasn't running rough when I brought it in. I told them that the technician must have done something. Anyway this is there diagnostic:

    PERFORMED PCM SELF TEST AND FOUND P0307 AND P0308. PERFORMED MISFIRE TEST AND FOUND CYLINDER#8 MISFIRING. PERFORMED RELATIVE COMPRESSION AND FOUND CYLINDER#8 DOWN 41%. PERFORMED MANUAL COMPRESSIONA AND FOUND CYLINDER#8 IS OPSI. RECOMMEND REPLACING LONG BLOCK ASSEMBLY DUE TO MILEAGE AND RETEST.

    Who knows, maybe I do need another engine. But I would like to explore more affordable means first, like changing the coils or even the distributor.....any thoughts?

  8. #53
    Join Date
    Jan 2004
    Location
    Somewhere in the N.C. Triangle
    Age
    64
    Posts
    25,952
    Quote Originally Posted by dbrown View Post
    Okay, so here's what happened. The dealership replaced the thermostat with a motocraft one and the overheating issue has stopped. Here is how they screwed me. When the service rep called me he told me that the overheating is fixed but now the car is "RUNNING ROUGH". Keep in my mind it wasn't running rough when I brought it in. I told them that the technician must have done something. Anyway this is there diagnostic:

    PERFORMED PCM SELF TEST AND FOUND P0307 AND P0308. PERFORMED MISFIRE TEST AND FOUND CYLINDER#8 MISFIRING. PERFORMED RELATIVE COMPRESSION AND FOUND CYLINDER#8 DOWN 41%. PERFORMED MANUAL COMPRESSIONA AND FOUND CYLINDER#8 IS OPSI. RECOMMEND REPLACING LONG BLOCK ASSEMBLY DUE TO MILEAGE AND RETEST.

    Who knows, maybe I do need another engine. But I would like to explore more affordable means first, like changing the coils or even the distributor.....any thoughts?
    As someone posted earlier, the tech probably test drove it until the #8 cylinder overheated and dropped the valve seat(s). The #8 cylinder is known for cooling issues unless you have the cooling mod installed.
    “When you can’t make them see the light, make them feel the heat.”
    Ronald Regan

    "The only way to deal with the Islamic State - these blood thirsty, blood-drunken, terrorists -
    is to kill them, keep on killing them, until you kill the last one, then you kill his pet goat."

    Lt. Colonel Ralph Peters

    “Be polite, be professional, but have a plan to kill everybody you meet.”
    "I come in peace. I didn't bring artillery. But I'm pleading with you, with tears in my eyes, if you **** with me, I'll kill you all"
    General James Mattis




  9. #54
    Join Date
    Mar 2004
    Location
    Baltimore, Md.
    Age
    61
    Posts
    11,382
    Quote Originally Posted by dbrown View Post
    Okay, so here's what happened. The dealership replaced the thermostat with a motocraft one and the overheating issue has stopped. Here is how they screwed me. When the service rep called me he told me that the overheating is fixed but now the car is "RUNNING ROUGH". Keep in my mind it wasn't running rough when I brought it in. I told them that the technician must have done something. Anyway this is there diagnostic:

    PERFORMED PCM SELF TEST AND FOUND P0307 AND P0308. PERFORMED MISFIRE TEST AND FOUND CYLINDER#8 MISFIRING. PERFORMED RELATIVE COMPRESSION AND FOUND CYLINDER#8 DOWN 41%. PERFORMED MANUAL COMPRESSIONA AND FOUND CYLINDER#8 IS OPSI. RECOMMEND REPLACING LONG BLOCK ASSEMBLY DUE TO MILEAGE AND RETEST.

    Who knows, maybe I do need another engine. But I would like to explore more affordable means first, like changing the coils or even the distributor.....any thoughts?
    There is no distributor on these DOHC engines and replacing the COPs wont help if you have a low or '0' compression on #8 cylinder.
    It is a mechanical problem in that cylinder.

    Talk to the dealership's Service Manager because the "Its running rough now" wasn't there when you brought the vehicle in for the overheating problem.

    Unfortunately....It is going to be next to impossible to get them to admit what they did to your Marauder.
    They will give you the 'Bill Clinton'....Deny, deny, deny, deny.
    Then they will give you the real 'Bill Clinton' by doing a complete long block install for $$$$$$$$$$$$


    .
    Last edited by Joe Walsh; 10-22-2020 at 09:20 AM.
    2020 Ford Ranger STX DFI Turbo 2.3L 10 speed Auto
    2017 Ford Fusion Sport DFI Twin Turbo 2.7L V6 6 speed Auto 14.000 ET bone stock in 82 degree heat
    1985 Mustang GT 5.0 Hatchback 4bbl 5 speed manual
    1984 Mustang GT 2.3 Turbo Convertible FI. 5 speed manual
    1966 427 Cobra (ERA) 468 all Aluminum FE 2x4bbl 5 speed manual
    1999 Ranger 3.sl0w DD/Beater

    SOLD : 2003 Mercury Marauder FI. 4 speed Auto
    w/Crower Cams & Springs, +1mm SS valves, mild port job on the cylinder heads.
    Extrude honed intake w/PHP spacer.
    Kooks Headers w/2.5" High Flow Cats & X-Pipe, Magnaflow mufflers, OEM tailpipes w/Megs Tips
    B&M Trans cooler w/fan, Level 10 Shift Kit, Art Carr Hughes Deep Sump Trans Pan,
    SVO Rearend Girdle, Redline Gear lube; OEM 3.55s
    'Real Gauges' + matching Trans Temp, Oil Temp, Water Temp, Fuel Pressure, Vacuum/Boost Gauge
    Built: 10/15/02 Bought: 12/16/02 Sold: 10/15/18

  10. #55
    Join Date
    Jun 2011
    Location
    Northeast OH
    Posts
    7,653
    It does not need a longblock, which Ford no longer has, it needs the head pulled off and #8 valves redone. Dealerships do not repair, they replace..they want to charge you prolly $7-9000 to replace long block is my guess.
    2004 SB Ported Trilogy 48
    Has supporting mods and stuff
    Thanks to Marty O for his help in updating this car.

    R.I.P.
    Rex "SC Cheesehead"

  11. #56
    Join Date
    Feb 2007
    Location
    Daytona Beach
    Posts
    576
    I so hate it when dealerships/mechanics don't respect folks vehicles...ugh! Hope this all works out for you!
    2003 300A
    Widened Rear Wheels with 295 45 Nitto G2's
    Eaton Swapped by Curless
    Brake Upgrade
    Mo's Tune
    JLT Intake
    Addco Sway Bars
    Metco Control Arms
    4.10 Gears
    Aeroforce Gauges

  12. #57
    Join Date
    Oct 2020
    Location
    texas
    Posts
    18
    you are absolutely correct.

  13. #58
    Join Date
    Aug 2011
    Location
    Wisconsin
    Posts
    3,991
    Quote Originally Posted by Peace2Peep View Post
    I so hate it when dealerships/mechanics don't respect folks vehicles...ugh! Hope this all works out for you!
    That's what the valet tune is for.

    WLB
    BB#1) 1996 ImpalaSS - 16,500 miles - 100% stock
    ______________________________ ___________

    BB#2) 2003 Marauder (300a) - 34k miles - Daily Driver
    #2912 of 7093
    Conceived 8/6/2002
    Delivered 9/19/2002
    Adopted 8/10/2011
    Trilogy 242 - Self Installed 9/9/12 (0-60 5.5 sec)
    Pioneer 6x8 Front
    Legacy 600w 6x9 Rears
    JL 6.5 SubWoofer
    K&N CAI
    Window tint 50% rear/35% front
    FBM CHMSL with Strobe mod 7/1/12
    DR Deep Aluminum Trans Pan
    Sparta FOMOCO Racing 8.8 Girdle
    Mo's Dyno Tune
    Gorilla Nuts - The System
    Ford Racing 4.10s, 31 spline Cobra carrier & axles 7/1/12
    Powder Coat Axle Housing 7/1/12
    CME HP Rear Control Arms & Watts Link 7/1/12
    ______________________________ ________________

    Rex "SC Cheesehead" Weinbender 11-14-13
    Ed "Baaad GN" Linthicum 8-6-2014

  14. #59
    Join Date
    Mar 2018
    Location
    Las Vegas nevada
    Age
    28
    Posts
    11
    Similar problem happened to me i tried alot of things and turned out ut was just a bad radiator cap I bought a new one and it never over heated again

    Sent from my SM-G970U using Tapatalk

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