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Thread: FUEL Pump Issues

  1. #1
    Join Date
    Sep 2004
    Location
    Gardena, CA.
    Posts
    149
    My Cars
    318IC 325i 318IS 330cl

    FUEL Pump Issues

    Hey Guys just picked up an 89 325i coupe. The issue is that the fuel pump is not working. I but a test light on fuel pump fuse(#11) and I don't get power there either. Everything else works do you guys know where I should look next. Thanks in advance for you asistance







    Aokenomon
    94 318 IS
    89 325 I
    AOKENOMON
    E30 E36 E46
    M42 Club member#86

    a lust for life

  2. #2
    Join Date
    Aug 2006
    Location
    The thriving metropolis of Hickory, NC
    Posts
    1,425
    My Cars
    '88 325is '04 Jetta
    Try the fuel pump relay.
    Sarcasm is a body's natural defense against stupid.
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  3. #3
    Join Date
    Sep 2004
    Location
    Gardena, CA.
    Posts
    149
    My Cars
    318IC 325i 318IS 330cl
    Of the three relay in the box which is the fuel pump relay on a 89 325i
    AOKENOMON
    E30 E36 E46
    M42 Club member#86

    a lust for life

  4. #4
    Join Date
    Feb 2006
    Location
    Mt. Airy MD USA
    Posts
    2,183
    My Cars
    91 M20 Turbo Coupe,
    MIddle Blue
    To test if it is faulty jump 87 to 30 reinstall relay pump should come on nonstop.
    I am about to post an issues i am having most likely in the next few steps of your process so i keep your head up look for that one as well
    06 Dodge Charger R/T Top Banana Daytona #608 91 E30 M20B28 Turbo - Assembled and Pushed 310hp Until Tires Failed. 14inch rubber screams for MERCY!!

  5. #5
    Join Date
    Feb 2006
    Location
    Mt. Airy MD USA
    Posts
    2,183
    My Cars
    91 M20 Turbo Coupe,
    Appropriate THREAD JACKING!!!

    Once you test the relay(jumped) and the fuel pump is running and the car still wont start what next. Could the main relay (WHITE) be bad as well or could it be a motronic issue. This is where I am stumped. Would a New Blue Fuel Pump Relay solve the starting issues as well.
    06 Dodge Charger R/T Top Banana Daytona #608 91 E30 M20B28 Turbo - Assembled and Pushed 310hp Until Tires Failed. 14inch rubber screams for MERCY!!

  6. #6
    Join Date
    Mar 2021
    Location
    Central point
    Posts
    2
    My Cars
    1985 BMW 325e
    Ive got an interesting issue with my 1985 325e, on cold days the car will start after about 2 seconds of cranking, but on hot days you have to crank and crank and crank then it'll start. And then after you start it and its all warmed up, shut it off for a little, then go to start it again you have to crank a bit before it starts. Is this the fuel pumps going bad? Ive heard both of them running, not sure if their going bad though. Thanks

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