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    93 Ford Explorer 4.0 engine swap

    I have a 1993 Explorer XLT 4.0. I am wondering if I can put a 94 Explorer 4.0 in my 93, are the engines the same? Also, will the 94 4.0 fit the 93 trans for the 4.0?
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    Question about replacing my engine?

    What other model fords have 4.0 6cyl engines that will fit in my 93 explorer xlt and fit my trans?
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    I am desperate for help!!! Carbon fouling!!!!

    I am really thinking that it could be that ECT sensor. I am about to go test it in a few minutes.
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    I am desperate for help!!! Carbon fouling!!!!

    It's not oil at all, I am 100% positive it is fuel. All of the other fluids stay the exact same level, it doesnt burn oil or anything. The exhaust is completely black inside with the same dry fluffy carbon that is on the plugs. I believe there is a leak on the passenger side on the header, but...
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    I am desperate for help!!! Carbon fouling!!!!

    I have already had problems with my transmission and replaced the modulator valve about a year and a half ago. It is carbon fouling, that is fuel. When you burn trans and oil they usually leave the spark with wet black residue. when it is carbon (fuel) fouling, it leaves a dry fluffy black...
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    I am desperate for help!!! Carbon fouling!!!!

    I am praying that this works, I would love to have my car back! I will post an update tomorrow after I run some seafoam through a couple times.
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    I am desperate for help!!! Carbon fouling!!!!

    I replaced the O2 sensors a couple months ago and it still fouled. I think I will try seafoam tomorrow, I pray to God this fixes my problem. I dont know what else to try. Does anyone else know anything I can try if the sea foam doesnt work?
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    I am desperate for help!!! Carbon fouling!!!!

    I have a '93 Explorer 4.0 XLT. The plugs are all carbon fouling within 15 minutes of driving, somtimes less than that. I am in desperate need for help, I have been working on this for almost a year and I have no idea what it is. I am a full time student in college so I dont have much time to...
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    1993 Explorer Engine control Computer

    Does anybody know if the EEC can cause all my plugs to fuel foul on the passenger side of the engine? They foul within 10 minutes.
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    Need help with plugs fuel fouling

    I have a 1993 Ford Explorer 4.0 XLT. My spark plugs are fuel fouling on the passenger side of the engine. Does anyone know if the Electronic Engine Control (EEC) will cause this? All three plugs on the passenger side of the engine are fuel fouling.
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    1993 Explorer Engine control Computer

    oh, okay. I didn't take that panel off.
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    1993 Explorer Engine control Computer

    Can someone please tell me where the electrical engine control unit is located on a 1993 ford explorer 4.0? A picture or diagram would be nice.
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    carbon (fuel) fouling spark plugs

    I have a 1993 Ford Explorer XLT 4.0. My spark plugs are carbon (fuel) fouling on the passenger side of the engine. I have no idea what could be causing it. Any ideas? message me if you need any more details. I believe it has something to do with either the fuel or the spark on the passenger...
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    I need help with spark plugs!!!

    yeah, i didnt see anything wrong with it.
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    I need help with spark plugs!!!

    My spark plugs are carbon fouling on the exhaust side of the engine. I replaced the plugs and wires yesterday, and it is still doing the same thing. I can drive about 20 or 30 miles and they will foul up again. But only on that 1 side of the engine. What could it be?
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    Spark Plug Fouling

    last time it was only on the right side of the engine. It hasn't pulled any codes so far. No, i have not checked the fuel pressure yet. I get paid this tuesday, thats when i will be able to check the pressure.
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    Spark Plug Fouling

    I have a 93 explorer 4.0 My spark plugs fouled up on me, so i cleaned them and put them back in. I drove about 15 miles and they were fouled up again. When they foul they have a dry black residue on them and they smell like gas. When i clean them up and put them back in, the car runs great...
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    Hesitating

    oh sorry, i will try that tomorrow.
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    Hesitating

    I already cleaned it.
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    Hesitating

    It only comes on like every 10 minutes, and it doesnt blink when it comes on.
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    Hesitating

    I am about to go buy a scanner this week. About a month ago my modulator valve on my transmission went out, and after that I have been having this problem.
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    Hesitating

    The check engine light goes on and off randomly, but it has done that since before this problem.
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    Hesitating

    My explorer is hesitating when i press the gas. If i barely hit the gas it runs fine, and if i press the gas nearly all the way it runs fine. I have changed my spark plugs, and the wires are fine. What could be wrong? Could it be my fuel pump?
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    I need help!!!

    My explorer is hesitating when i press the gas. If i barely hit the gas it runs fine, and if i press the gas nearly all the way it runs fine. I have changed my spark plugs, and the wires are fine. What could be wrong? Could it be my fuel pump?
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