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Thread: 1990 Mighty Max Keeps Cutting Out

  1. #1

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    03-09-2014
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    Georgia
    Vehicle

    1990 Mitsubishi Mighty Max
    Engine

    4G64

    Exclamation 1990 Mighty Max Keeps Cutting Out

    I have a 1990 2.4L manual Fuel Injected Mighty Max. The problem is that while driving the truck when it gets to higher rpms it cuts out, but if you switch it to a higher gear it picks back up but will do the same thing and cut out at higher rpms. I was wondering if anyone had any idea as to what would be causing this problem.

  2. #2



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    03-20-2011
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    Pittsburgh, PA
    Vehicle

    1980 Dodge D-50
    Engine

    G54B
    fuel filter, bad vacuum lines, failing maf sensor
    Pennyman1
    The best Dodge that Dodge never made
    Living the D-50 lifestyle since 1980

  3. #3

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    Georgia
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    1990 Mitsubishi Mighty Max
    Engine

    4G64
    Thanks for the response. I did replace the MAF but I also replaced the fuel pump and that died so nothing is really off the table. When I put the new MAF sensor in the truck it ran really good for about a day, so im thinking that it could be that as the one I got was used.

  4. #4

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    04-24-2011
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    Orlando, FL
    Vehicle

    1990 Mitsubishi Mighty Max
    Engine

    G64B
    Check the tps

  5. #5

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    1990 Mitsubishi Mighty Max
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    4G64
    how would that be causing the problem? The engine is still running while it cuts out, It seems like the gas pedal stops working but the clutch and brake still work. I would post a video of what is happening but left my video camera at my house while I am here for the summer.

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