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Why is my oil pressure dropping when I accelerate?

Tiny
ZACH1222
  • MEMBER
  • 2005 BUICK LESABRE
  • 114,500 MILES
I just had an oil change at a valvoline shop. When I accelerate slowly it is fine but as I accelerate faster my oil light comes on. I checked the pressure and on my digital gauge and it reads 130 then drops all the way to 0. When I let go of the peddle it returns to 130. Just started my car and now it fluctuates when idling.
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Saturday, April 21st, 2012 AT 3:05 AM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Is there any noise from the engine when it drops to 0?
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Saturday, April 21st, 2012 AT 3:13 AM
Tiny
ZACH1222
  • MEMBER
  • 1 POST
No the car sounds the same
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Saturday, April 21st, 2012 AT 4:27 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Chances are the pressure really isn't dropping but rather there is an issue with the oil sending unit or wiring. Check that and let me know what you find.
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Saturday, April 21st, 2012 AT 7:11 PM

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