Question about 2000 GMC Sonoma Extended Cab

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How do you know if the oil pump on a 2000 gmc sonoma is going bad

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  • Jeff Turcotte
    Jeff Turcotte Sep 03, 2010

    do you have a gage or light? obvious if you have a gage the pressure will read lower. If a light, the light will first start coming on at stoplights (engine idling and under load).

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  • 385 Answers

Assuming you have no gauge, remove the oil pressure switch and run a line to an actual gauge. check against engine specs at idle and running down the road.

Posted on Sep 03, 2010

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