Question about 1998 Ford Ranger SuperCab

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1999 ranger 2.5 fuel mystery

Ok so i have a 1999 ford ranger 2.5 2x4 and i just replaced the fuel pump in it and since then it ran ok when i did this. the i replaced the spark plugs and it takes about 30 seconds for it to start and it runs like it is on 3 cylinders and if the engine stays running long enough then the computer will adjust the idle and it runs fine. but when i give it gas it makes a thump and kills. i replaced the maf sensor and it is sittin on the side of the road. please help

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  • socoinstalla Jul 21, 2009

    i changed the plugs 1 by 1 and i am positive i didnt cross them. i drove it for 25 miles before it started doing this. ever since i replaced the fuel pump it has taken 10-30 seconds to start.

  • socoinstalla Jul 21, 2009

    i changed the plugs 1 by 1 and i am positive i didnt cross them. i drove it for 25 miles before it started doing this. ever since i replaced the fuel pump it has taken 10-30 seconds to start.


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Are you sure you put the spark plug wires back on the correct plug? obviously a new set of plugs wont hurt a car, and if this happened after you did the plugs and it never did it before, i would say check the order of your wires,

Posted on Jul 21, 2009

  • Kodi Standlee Jul 21, 2009

    When you changed the fuel pump, did you also do the filters? if not you may have a fuel pressure issue....


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