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Old 09-22-2005, 05:47 PM   #1
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Default 1992 Bonne oil pressure gauge

Has anyone else ever had persistant problems with their oil pressure gauge? Mine wen't to max every once and awhile and stayed there for awhile.

9 years on I finally get it fixed, when the sensor broke off and dumped (all the) oil on the highway.

Question, car ran about a mile with quickly decreasing oil levels before finally stopping on it'* own. While this is never a good thing, what is the likely long term damage from this type of activity? I replaced the sensor and it starts up OK again, idles a little different, but nothing major, so I don't think I threw a rod or blew a gasket or rings.

For those playing at home

1992 Bonneville SE, 206,000 miles, original motor / trans.

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Old 09-22-2005, 05:49 PM   #2
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stopping on its own? like seizing?
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Old 09-22-2005, 05:57 PM   #3
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It started making a progressively louder knocking sound on the highway, than engine cut out at low RPM and kept rolling (with trans engaged). I was able to restart it briefly to remove from road.

I don't think I overheated the heads / caused the rings to touch outside of block .. if that had happened even briefly I think it would have killed the engine entirely, although hence my question.

The shop did start it for a few seconds to listen for some sort of obvious problem (thrown rod?) .. made me cringe
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Old 09-22-2005, 08:06 PM   #4
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not good, may start yousing oil now
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Old 09-22-2005, 09:03 PM   #5
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I actually just replaced my motor after it started knocking real loud form the bottom end. no my oil pressure gauge stays pegged out. it came with the motor. I am assuming it;* just a bad ssnsor. I still have my core. just need to get time to change em out. sure that will solve it.

as far as your motor. might not be a bad idea to pull the valve covers off and even the pan to check up close. but I would assume that the motor doesn't have much life left ot it

but depends a lot on how you drive it as well.......... I beat on mine....lol
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Old 09-22-2005, 11:20 PM   #6
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Quote:
Originally Posted by robmpulse
I actually just replaced my motor after it started knocking real loud form the bottom end. no my oil pressure gauge stays pegged out. it came with the motor. I am assuming it;* just a bad ssnsor. I still have my core. just need to get time to change em out. sure that will solve it.

as far as your motor. might not be a bad idea to pull the valve covers off and even the pan to check up close. but I would assume that the motor doesn't have much life left ot it

but depends a lot on how you drive it as well.......... I beat on mine....lol
Weird, now getting oil on the driveway, but the oil level is still dead on

.. as far as how I drive it, fairly easy on the engine I'd say .. tho it has a lot less power than it used too.

I'm starting to think the shop knocked something when they were replacing the water pump .. from these forums and other info I gather this sensor mounting does not commonly fail (to the extent that it drains all the oil from the car).
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