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1988 325is no start. PLEASE HELP!

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    #16
    You still don't know if you have a fuel problem. The first action in determining if that is the case is to measure the rail pressure when cranking the engine.
    The car makes it possible, but the driver makes it happen.
    Jim Levie, Huntsville, AL

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      #17
      You still don't know if you have a fuel problem. Get a gauge and measure rail pressure while cranking the engine.

      Stop throwing parts at the problem while hoping for a favorable outcome. Do the necessary diagnostics.
      The car makes it possible, but the driver makes it happen.
      Jim Levie, Huntsville, AL

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        #18
        Does it even crank over? Can you hear it trying to start?

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          #19
          Well I installed the fuel filter and replaced the fuel pump strainer sock and it started right up, I also cleaned the spark plugs. I'm not sure why just doing those simple things did the trick though. Thanks for the help everyone!


          Sent from my iPhone using Tapatalk

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            #20
            Originally posted by smurphy_e30 View Post
            Well I installed the fuel filter and replaced the fuel pump strainer sock and it started right up, I also cleaned the spark plugs. I'm not sure why just doing those simple things did the trick though. Thanks for the help everyone!


            Sent from my iPhone using Tapatalk
            Because a clogged filter and/or strainer sock won't allow enough fuel flow to run the engine. Now would be a good time to check your tank for rust as well. You can use a mirror and look into the tank, or, if you still have the sock, let it dry out then tap it on a paper towel. If rust colored stuff comes out, you likely will need a new tank. Someone also has a write-up on how to clean rust out in the DIY section, but I think I remember that it wasn't easy.
            88 325is - S52 powered

            Originally posted by King Arthur
            We'll not risk another frontal assault, that rabbit's dynamite!

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              #21
              Originally posted by matthugie View Post
              Because a clogged filter and/or strainer sock won't allow enough fuel flow to run the engine. Now would be a good time to check your tank for rust as well. You can use a mirror and look into the tank, or, if you still have the sock, let it dry out then tap it on a paper towel. If rust colored stuff comes out, you likely will need a new tank. Someone also has a write-up on how to clean rust out in the DIY section, but I think I remember that it wasn't easy.

              I checked the tank already, doesn't look like there is any rust. I think I got lucky.


              Sent from my iPhone using Tapatalk

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                #22
                Looking in the tank usually won't tell it it is rusty. Use a penlight to see and stir the bottom of the tank with a stick. If there is rust sediment you will see and feel it.
                The car makes it possible, but the driver makes it happen.
                Jim Levie, Huntsville, AL

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