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post #1 of 3 (permalink) Old 07-28-09, 03:44 PM Thread Starter
Performance...all the way
 
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Exclamation High oil pressure

Here lately after the car warms up, it runs exactly in between normal and High. If i floor it it will go back to normal, but as soon as the revs go down the guage goes back up. What could this be? It has a fairly new oil sending unit, installed about 3 months ago. And a full tune-up about 4 months ago. It still runs really good. What do you think?

Im thinking its one of two things. A clogged oil screen(hopefully not the pump) or my cat is getting stopped up. Causing backpressure.


1993 Thunderbird LX, Stroked 4.2L Complete Cold Air Intake, AOD w/stage 2 shift kit(soon to be 5speed)
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post #2 of 3 (permalink) Old 07-29-09, 11:34 AM
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Re: High oil pressure

That is your oil pressure relef valve working as it shoud. Did you use an after market
sender or one from Ford ? Where do you get your oil filters ? Are you using a mechanical gauge or the factor electrical ? What oil are you using as in what weight ?
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post #3 of 3 (permalink) Old 07-29-09, 12:30 PM Thread Starter
Performance...all the way
 
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Join Date: Oct 2008
Location: knoxville TN
Age: 27
Posts: 405
Re: High oil pressure

I solved it. Apparently the battery slid back a jerked the big ground wire right in front of the battery from the frame of the car. Now it runs exactly in the center of "norm" all the time. Amazing how a ground wire can make that big of a differance.

I was begining to think it was electrical, cause when i turn on the lights, ac, def. ect. The guage would go higher. And would also rise with the bass from my subs.

1993 Thunderbird LX, Stroked 4.2L Complete Cold Air Intake, AOD w/stage 2 shift kit(soon to be 5speed)
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