Question about 2005 Chevrolet Tahoe

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I have low oil pressere. i change oil pomp ,senssor.seals. and still have low oil pressure .extenal readin show /20 . boot after 10 minute /0 and light come up. I have a similar problem with 2004 Tahoe. Its very strange, but oil pressure reading is normal most of the time. If I drive in stop-and-go traffic for about 20 minutes, the reading drops to 0. Stopping and cooling down helps, but there is no apperent correlation in what could be causing this. Replaced oil pump and sensor, but no change.

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  • my_info May 28, 2009

    I don't think its a clogging issue since it only happens when I drive for a while. Normally, the pressure is good.

  • Raymond Ramirez
    Raymond Ramirez May 11, 2010

    I had the same problem with my dodge. It was sludge buildup it would cover my pickup tube screen. When I would let it sit the debris would fall back into the pan.



    check this website





    http://www.aa1car.com/library/2005/us020...

  • Richard Scordino May 11, 2010

    any noise from lower end or lifters?

  • yadayada
    yadayada May 11, 2010

    SUGGEST U USE LIVE CHAT.

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Did you change the screen with the oil pump?
sometimes the screen will get clogged up and lose oil pressure.

Posted on May 27, 2009

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