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2021 Sierra Oil pressure issue

Smoltified
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Smoltified New Member

Smoltified

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Recently my oil pressure gauge started going wonky, zero to 400, fluctuates at random times. When it first happened I immediately pulled over and checked for leaks, oil level etc. Truck seems to run fine, no knocking,  burning. Did an oil change about 3 weeks ago, with no issues. Now the gauge rarely works. This is over a day and a half. Thanks. 

newdude Senior Enthusiast

newdude

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3 hours ago, Smoltified said:

Recently my oil pressure gauge started going wonky, zero to 400, fluctuates at random times. When it first happened I immediately pulled over and checked for leaks, oil level etc. Truck seems to run fine, no knocking,  burning. Did an oil change about 3 weeks ago, with no issues. Now the gauge rarely works. This is over a day and a half. Thanks. 

 

 

Check engine light on?  

 

400, I assume you are in kPa so Canada?  

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