Materials to Maintain Your ZHP IIIII Hand Protection IIIII Tools to Maintain Your ZHP
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  1. #1
    Join Date
    Jul 2017
    Location
    central VA
    Posts
    109

    Cranks but won’t fire up

    124,000 miles. Pulled the backseat out and not getting any hum from the pump. Looks to be the the original pump being that it has the non adjustable factory hose clamp. Do the fuel pumps go out before the fuel pump relays generally? Should I check the relay first or just go ahead and replace the pump?


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  2. #2
    Join Date
    Nov 2012
    Location
    22841
    Posts
    9,921
    Replace the pump,gasket and relay. VDO is the go-to brand.

    His - 2004 Imola Red / Alcantara 330i | 6MT | ZHP |

    Her's - 2005 Black Sapphire Metallic / Black Leather 330i | 6MT | ZHP |

  3. #3
    Join Date
    Nov 2013
    Location
    Bay Area
    Posts
    2,973
    Fuel pumps on these cars seem to die anywhere from 70-200k. I replaced mine at 150k as preventive maintenance.


    Quote Originally Posted by Vas View Post
    Replace the pump,gasket and relay. VDO is the go-to brand.
    I put that in earlier this year.


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  4. #4
    Join Date
    May 2011
    Location
    Jacksonville, Florida
    Posts
    2,202
    I would put in a new fuel filter as well assuming it is the original

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    2005 Jet Black 6MT ZHP "Family First"
    ~Rob~

  5. #5
    Join Date
    Dec 2016
    Location
    Boston, MA
    Posts
    643
    Fuel pump is a relatively easy job. Fuel filter - not so much, at least, not if you're doing it on your back in the garage. A lift would make it much easier (like it does for most other jobs.)

    Definitely recommend doing both. I did mine at around the same mileage. The engine cranked longer than it should at startup so I figured the pressure was low and pump was on its way out. The fuel filter actually looked like it was relatively new and probably didn't need to be replaced, but I didn't know how old it was and figured I'd do it anyway.

    Good luck with yours...
    -Chris


  6. #6
    Join Date
    Mar 2016
    Location
    Madison, Alabama
    Posts
    335
    What codes does it throw. The crankcase sensor will do a similar thing.
    Family that races together stays together
    2005 330Ci 6MT SGM (x2)

  7. #7
    The proper way to diagnose would be to check for voltage at the pump. If yes, the fuel PUMP is dead. If no, the fuel pump RELAY is dead. 9 times out of 10 it’s the pump.

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  8. #8
    Join Date
    Jul 2017
    Location
    central VA
    Posts
    109
    Replaced the pump over the weekend. It was definitely the original pump. The pump was one of the few bits of preventative maintenance the seller didn’t do prior to purchase. Thankfully he did do the fuel filter.


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  9. #9
    Join Date
    Jan 1970
    Location
    Southern California
    Posts
    18,064
    Good!

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    Randeaux/Rando/John/jr - '06 Cic ZHP; Southern California
    "ZHP or not, I still like you"


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