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99 hesitation & misfits

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    #1

    99 hesitation & misfits

    So I've found a bunch of info about coolant seeping into the #4 cylinder on these. I do have the newer intake manifold with the metal crossover. I pulled the coil on #4 and there was no fluid in there. I'm at work now and don't have access to a code reader currently. Are there any other likely cylinders to check for coolant?


    Dang autocorrect. The title is supposed to say misfire.


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    #2
    Check your plugs or replace them if it's been a while since the last tune up.
    Half of the time, it's bad or realllly old plugs that cause that problem.
    Are you getting a Check Engine Light (CEL)?

    -ryan s.
    08 Lincoln Navigator L - 233k
    03 Mercury Marauder- 63k
    97 Ford Crown Victoria HPP "Tank of Justice III" (TOJ3) - 194k -->578.9 miles on ONE tank of gas<--
    94 BMW 325i Convertible - 135k
    73 VW Super Beetle "Bunky" <----- Wifey's
    12 Mini Cooper S - 90k <---- Wifey's
    Originally posted by pantera77
    Well my buddy tells him he knows exactly who loves buying shitboxes.

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      #3
      99 hesitation &amp; misfits

      Yeah got the dreaded flashing cel. I will be getting the code read tomorrow so I can narrow down the cylinder(s).

      I can only imagine that the coils and plugs have never been touched, or at least haven't been for quite some time. Previous owner bought it 10 years ago and only drove it 34k in those 10 years.


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        #4
        It only misfires at light to maybe 50%throttle. At WOT and idle it's fine.


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          #5
          Is this a miss fire or more like surging in 4th gear, up a hill?

          1981 Mercury Marquis Brougham 2-Door 302/ 5-speed -special blend (GMGT)
          1987 Lincoln Mark VII 5-speed (Errand runner)
          1989 Mercury Grand Marquis (Base Runner)
          2007 Lincoln Town Car Signature Limited (Hustlyn)
          2011 Ford Crown Victoria Police Interceptor (Down with O.P.P)

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            #6
            change the fuel filter too if its been a while. May also be worth doing wires with the plugs if they are old.
            86 Lincoln Town Car (Galactica).
            5.0 HO, CompCams XE258,Scorpion 1.72 roller rockers, 3.55 K code rear, tow package, BHPerformance ported E7 heads, Tmoss Explorer intake, 65mm throttle body, Hedman 1 5/8" headers, 2.5" dual exhaust, ASP underdrive pulley

            91 Lincoln Mark VII LSC grandpa spec white and cranberry

            1984 Lincoln Continental TurboDiesel - rolls coal

            Originally posted by phayzer5
            I drive a Lincoln. I can't be bothered to shift like the peasants and rabble rousers

            Everything looks like voodoo if you don't understand how it works

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              #7
              Originally posted by marquisman View Post
              Is this a miss fire or more like surging in 4th gear, up a hill?
              To give you a wholly ambiguous answer to your question.....yes

              Originally posted by gadget73 View Post
              change the fuel filter too if its been a while. May also be worth doing wires with the plugs if they are old.
              It coil on plug. I'll be replacing what's misfiring for now but will replace all of them here shortly. As for the fuel filter...that will also be replaced soon.


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                #8
                I only asked that question because, my friend has a '99 grand marquis LS and it surges. Might not be the same thing but, his issue is trans related.

                1981 Mercury Marquis Brougham 2-Door 302/ 5-speed -special blend (GMGT)
                1987 Lincoln Mark VII 5-speed (Errand runner)
                1989 Mercury Grand Marquis (Base Runner)
                2007 Lincoln Town Car Signature Limited (Hustlyn)
                2011 Ford Crown Victoria Police Interceptor (Down with O.P.P)

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                  #9
                  99 hesitation &amp; misfits

                  Code shows misfire cyl 1. Pulled the plug. It's fine. I'm voting bad coil


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                  Last edited by warrior_oh58d; 02-07-2014, 09:59 PM.

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                    #10
                    99 hesitation &amp; misfits

                    Double post
                    Last edited by warrior_oh58d; 02-07-2014, 10:22 PM.

                    Comment

                      #11
                      Probably a bad coil on plug on #1.

                      You may want to keep your eye on the manifold rear heater hose nipple at cyl. #4....discovered weepage on mine last fall while replacing all my cops....heater hose nipple connection is rotting away. Manifold will require replacement, thought I was in the clear as I have the aluminum crossover replacement but apparently not. Talk about an achilles heel....

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                        #12
                        First thing I checked was the hose by #4. It appears as though there was some manner if a leak back there at one point but it's dry as a bone now. I pulled that COP and plug first thing because that's where I figured the problem would be, everything was just fine.

                        These plastic manifolds can get weak and brittle over the years but they're not too bad to replace should the need arise. A nice warm day and a few sockets will get ya squared away.



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