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Oil Pressure Gauge - Weird issue

 
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RENIK
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2002 Chevrolet Impala


PostPosted: Wed Jun 29, 2011 3:09 pm    Post subject:  Oil Pressure Gauge - Weird issue Reply with quote

On my 02 LS, the oil pressure gauge stays right in the middle (1/2)while at idle, but only upon acceleration does the pressure gauge move up almost 3/4. I let off the accelerator and the gauge drops back to about 1/2. Thoughts? Oil level is fine and was changed about 1k miles ago, but I do have to add almost a quarter every oil change as the car is around 155k miles.
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chibiblacksheep
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PostPosted: Wed Jun 29, 2011 4:18 pm    Post subject:   Reply with quote

Sounds normal to me.

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Pitch Black SS
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PostPosted: Wed Jun 29, 2011 4:26 pm    Post subject:   Reply with quote

sounds normal to me too

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RENIK
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2002 Chevrolet Impala


PostPosted: Wed Jun 29, 2011 4:29 pm    Post subject:   Reply with quote

It moves as fast as the tach, which I haven't seen on my other cars. This is my wife's car, so I don't get the greatest sense of how it drives day-in and day-out. Just thought it was a bit unusual.
Thank you for the replies. This site has been great for research, especially with that stupid ISS rattle.
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ad0726
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PostPosted: Wed Jun 29, 2011 4:41 pm    Post subject:   Reply with quote

That's normal.
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Jayme
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2000 Chevrolet Impala


PostPosted: Wed Jun 29, 2011 4:58 pm    Post subject:   Reply with quote

RENIK wrote:
It moves as fast as the tach, which I haven't seen on my other cars.


That makes sense because the oil pump speed (and therefore pressure) is dependent on engine RPM.

Mine does the exact same thing.

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barnettimpala
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PostPosted: Thu Jun 30, 2011 12:20 am    Post subject:   Reply with quote

Sounds normal to me also.

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