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Oil pressure

Tiny
ALLYKAT08
  • MEMBER
  • 2004 CHEVROLET TRAILBLAZER
  • 4.2L
  • V6
  • 4WD
  • AUTOMATIC
  • 160,000 MILES
My oil pressure gauge usually reads 40, which is right in the middle, drove my trailblazer on a 45 minute drive and I noticed my oil pressure went up to 60. I've been watching it ever since and every time I step on the gas my oil pressure goes up and I let off the gas it drops back down to where it should be. I just did an oil change last weekend and used the recommended filter and oil. Other than the gauge fluctuating significantly it's running like normal, no service lights, no leaks, and no funny smells. What is going on?
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Thursday, February 11th, 2016 AT 1:25 PM

1 Reply

Tiny
JOHNNYT73
  • MECHANIC
  • 924 POSTS
This isn't that uncommon at all in GM trucks especially. I don't think you have anything to worry about. You can try changing the filter to an AcDelco filter. If that doesn't help then you can try a new oil pressure sending unit.
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Thursday, February 11th, 2016 AT 2:04 PM

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