Question about 1989 Ford Mustang

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To start off id like to say that the car has always had problems staying running when we come to a red light or a stop sigh, it shuts off, recently i woke up the next morning and the battery was dead, bought a new one but when i start the car and turn it off i hear the fuel pump not wanting to shut off and a boiling kettle noisen under the hood.

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  • hanifenjoshu Mar 12, 2009

    The 1989 mustang is a 4 cylinder and Oh yes, What i meant to say it the boiling kettle noise is the compression going to the fuel rail, I just went out and replaced the fuel filter and i drained the fuel out from the old fuel filter and its got a rusty color and has little metal flakes floating around in it.

  • hanifenjoshu Mar 13, 2009

    Thanks you soo much, im beginning to take off the fuel tank as of this afternoon and will let ya know how it goes, Do you think that the fuel injectors will need some attention too, its really never missed but dies Im thinking due to the findings of discolored gat it must have been the problem with it shutting off at every stoplight. Welp, off to tinkering =]

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Good morning and welcome to fixya.
is this mustang a 5.0 or a 6 cyl.? have you noticed the car overheating? you probably need to have a block tester used on this, it checks for hydro carbons, which usually means you have a bad head gasket. start there and lets see what happens, you can also go through and change the thermostat and gasket and do a really good cooling flush including block and heater core to make sure there is no blocked passages. you may also want to check to make sure that the water pump is pumping, the coolant will be moving under the rad. cap, while engine is running, i wuold also change the rad. cap use proper pressure cap. not sure what you have tried yet but here is a couple, let me know and ill help you figure this out. thank you

Posted on Mar 12, 2009

  • brian tessereau Mar 13, 2009

    im sorry i missed understood your problem, that rusty color in the fuel lines and filter is usually the signs of a rusty tank, you can start by removing the fuel tank and cleaning it out and see how bad it is rusted, may have to replace or might be able to repair. then you will of course have to put new fuel filter on, the lines will need to be flushed you can unhook fuel line and run fuel through it into a bucket until it runs clear, or you change the lines for new ones. new lines are time consuming to bend but not all that expensive, sometimes you can find them at the ford dealer and they will give you a good deal on them. good luck with this and let me know if you need anymore help, ill be glad to help you out.



    dont forget to rate

  • brian tessereau Mar 13, 2009

    you can when you are all finished pour the lucas fuel additive into the tank and run it through that will help the fuel injectors out alot. you can clean the mass air flow sensor and intake with air intake cleaner just spray really well and use a toothbrush to clean it up the best you can. good luck and let me know when you are done tinkering.





















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