# Oil pressure

**URL:** <https://community.cartalk.com/t/oil-pressure/64754>\
**Category:** Maintenance/Repairs\
**Created:** [May 18, 2011, 12:35am UTC](https://community.cartalk.com/t/oil-pressure/64754 "2011-05-18T00:35:05Z")\
**Posts on this page:** 6\
**Page:** 1

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**Author:** ![sharonl](https://avatars.discourse-cdn.com/v4/letter/s/c37758/32.png) [@sharonl](https://community.cartalk.com/u/sharonl)\
**Post date:** [May 18, 2011, 12:35am UTC](https://community.cartalk.com/t/oil-pressure/64754/1 "2011-05-18T00:35:05Z")

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What would make the oil pressure gauge fluctuate and go to zero? I already replaced the oil sending unit, and changed the oil and filter, whats left? maybe a bad gauge? Thanks sharon

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**Author:** ![Tester](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/tester/32/15976_2.png) [@Tester](https://community.cartalk.com/u/Tester)\
**Post date:** [May 18, 2011, 12:39am UTC](https://community.cartalk.com/t/oil-pressure/64754/2 "2011-05-18T00:39:51Z")

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Nobody can answer your question unless we know what type of vehicle you’re talking about.

Tester

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**Author:** ![cigroller](https://avatars.discourse-cdn.com/v4/letter/c/c68b51/32.png) [@cigroller](https://community.cartalk.com/u/cigroller)\
**Post date:** [May 18, 2011, 12:56am UTC](https://community.cartalk.com/t/oil-pressure/64754/3 "2011-05-18T00:56:09Z")

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Tester is mostly right. But the most obvious thing left is poor oil pressure pressure.

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**Author:** ![Caddyman](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/caddyman/32/23_2.png) [@Caddyman](https://community.cartalk.com/u/Caddyman)\
**Post date:** [May 18, 2011, 1:20am UTC](https://community.cartalk.com/t/oil-pressure/64754/4 "2011-05-18T01:20:47Z")

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year, make, model, mileage please…

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**Author:** ![asemaster](https://avatars.discourse-cdn.com/v4/letter/a/5f9b8f/32.png) [@asemaster](https://community.cartalk.com/u/asemaster)\
**Post date:** [May 18, 2011, 5:05am UTC](https://community.cartalk.com/t/oil-pressure/64754/5 "2011-05-18T05:05:39Z")

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Could be a bad gauge. Could also be the engine is actually losing oil pressure and is grinding itself into scrap metal every time you run it.

The next thing is to install a manual pressure gauge on the engine and verify oil pressure as being good or bad. If you can’t do this yourself have it done at a local garage. Immediately.

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**Author:** ![common-sense-answer](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/common-sense-answer/32/716_2.png) [@common-sense-answer](https://community.cartalk.com/u/common-sense-answer)\
**Post date:** [May 18, 2011, 11:02am UTC](https://community.cartalk.com/t/oil-pressure/64754/6 "2011-05-18T11:02:43Z")

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**_Nailed It, Master !_**  
CSA