Question about 1997 GMC Jimmy

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Oil pressure is around 15 at 1000rpm and just

Oil pressure is around 15 at 1000rpm and just below 40 at 2000rpm,1997 gmc1500,5.7 engine. 113,000 miles. This is My Wife's truck and I drive it very little. Is this cause for concern? Ben

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  • bemartha Sep 30, 2009

    idle pressure is around 15

  • yadayada
    yadayada May 11, 2010

    what is the idle pressure? if it is less than 10 you have a problem

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Probably not. You can run 'high mileage oil' which helps some and running 10/40 oil instead of 10/30 will help also. Replacing the oil pump and cleaning the intake screen might help too.

Posted on Sep 30, 2009

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Posted on Jan 02, 2017

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