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Thread: Ever had "Function, leakage diagnosis pump" error/Service Engine Soon repeatedly

  1. 03-24-2020, 08:05 PM #1
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    jpilk99
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    Ever had "Function, leakage diagnosis pump" error/Service Engine Soon repeatedly

    I've had this Service Engine Soon issue for the last while and my mechanic is going logically through what is the likely culprit, (Gas Cap, Leak Detection Pump, Purge Valve, etc.), but, the error keeps coming back. Thinking it could be the wiring to the pump...

    Anyone ever have this going on?

    Thanks in advance,

    Jay
    '01 325Ci Convertible, 5-speed
    '01 740iL, Stahlblau with beige interior & 18" M-Pars, GROM bluetooth
    '03 X5 3.0 six cyl, Gray on gray
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  2. 03-24-2020, 10:46 PM #2
    CPHES
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    What error codes / sounds like a vacuum leak. A smoke test is next.
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  3. 03-25-2020, 09:12 AM #3
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    jpilk99
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    I dont have exact codes, (I don't have a sophisticated BMW scan tool per se - it's a iCarsoft), and the only code I get is that descriptive "Function, leakage diagnosis pump".
    '01 325Ci Convertible, 5-speed
    '01 740iL, Stahlblau with beige interior & 18" M-Pars, GROM bluetooth
    '03 X5 3.0 six cyl, Gray on gray
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  4. 03-25-2020, 09:56 AM #4
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    Could it be frayed wires in the driver's side wheel well? Sadly this post no longer has images due to photobucket unless you have a work around.
    https://www.bimmerforums.com/forum/s...Check-this-out
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  5. 03-25-2020, 02:37 PM #5
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    jpilk99
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    Quote Originally Posted by clarkitect View Post
    Could it be frayed wires in the driver's side wheel well? Sadly this post no longer has images due to photobucket unless you have a work around.
    https://www.bimmerforums.com/forum/s...Check-this-out
    Thanks Clark, I'll check for that.
    '01 325Ci Convertible, 5-speed
    '01 740iL, Stahlblau with beige interior & 18" M-Pars, GROM bluetooth
    '03 X5 3.0 six cyl, Gray on gray
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  6. 03-25-2020, 04:48 PM #6
    CPHES
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    Do you have a Service Engine Light? I have a cheap scanner too, but I get P codes from it, and that is needed for next steps of diagnosis
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  7. 03-25-2020, 06:30 PM #7
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    Trasportador
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    Just realized my initial post was garbage. lol. Edit.

    See if you can scan the car using INPA or DIS. Life will be much easier.
    Last edited by Trasportador; 03-25-2020 at 06:33 PM.
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  8. 03-25-2020, 09:21 PM #8
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  9. 03-25-2020, 11:14 PM #9
    CPHES
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    Amazon Ancel 310 - $35 bucks - should work for you.
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  10. 03-26-2020, 01:21 PM #10
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    Thanks guys. My mechanic is an Indy and can get the Pcodes, but, I gotta pay him each scan...
    '01 325Ci Convertible, 5-speed
    '01 740iL, Stahlblau with beige interior & 18" M-Pars, GROM bluetooth
    '03 X5 3.0 six cyl, Gray on gray
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  11. 03-26-2020, 10:56 PM #11
    CPHES
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    So, buy your own. Makes your life easier
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  12. 03-27-2020, 09:31 AM #12
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    Quote Originally Posted by CPHES View Post
    Amazon Ancel 310 - $35 bucks - should work for you.
    Thanks CPHES. As I look on Amazon, I'm seeing new versions of this and wondering if I should consider a 410 or 530?
    '01 325Ci Convertible, 5-speed
    '01 740iL, Stahlblau with beige interior & 18" M-Pars, GROM bluetooth
    '03 X5 3.0 six cyl, Gray on gray
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  13. 03-27-2020, 02:30 PM #13
    White94RX
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    Sounds to me like the DMTL pump itself. Has it been replaced yet?
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  14. 03-27-2020, 03:21 PM #14
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    Quote Originally Posted by White94RX View Post
    Sounds to me like the DMTL pump itself. Has it been replaced yet?
    Yes, pump is replaced.
    '01 325Ci Convertible, 5-speed
    '01 740iL, Stahlblau with beige interior & 18" M-Pars, GROM bluetooth
    '03 X5 3.0 six cyl, Gray on gray
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  15. 04-07-2020, 11:06 AM #15
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    jpilk99
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    Got my Ancel 410 the other day. Came back with P0452. Again, DMTL pump is new...
    '01 325Ci Convertible, 5-speed
    '01 740iL, Stahlblau with beige interior & 18" M-Pars, GROM bluetooth
    '03 X5 3.0 six cyl, Gray on gray
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