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Stephen Semenchuk

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About Stephen Semenchuk

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    Member

Profile Fields

  • From
    Concord, CA
  • Porsche Club
    PCA (Porsche Club of America)
  • Present cars
    2005 Cayenne Turbo
  • Future cars
    911 cabrio
  • Former cars
    1990 Lexus LS400, 2000 Lexus LS400, 2002 Lexus GS300, 2001 MB E320, 2000 MB ML 430

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  1. Yes, a fill up from a quarter tank and s around 20 gallons. I’ll double check the connections this weekend. Thanks for the suggestions.
  2. Thanks for the reply. No, I didn’t replace the fuel sending units. I’ll have to double check the sending unit hose connection as well. I got the fuel pumps from AutohausAZ.
  3. Looking for suggestions. I replaced both fuel pumps of my 2005 Cayenne Turbo after the main pump died. Got it all connected back up and she runs great.... until it gets down to a bit under a quarter tank. Sometimes the engine just quits, other times the throttle gets intermittently rough, it shudders however, if I feather the gas lightly, it will continue to drive, if I press harder on the gas, it stalls. When I pull over and restart it, it drives fine for about a mile or so then same thing. Has anyone experienced this after replacing the fuel pumps? Is there an installation “gotcha” that I missed? Thanks in advance for all your expert opinions.
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