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Old 08-29-2012, 01:22 AM   #31
Join Date: Dec 2010
Location: Austin, TX
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Jerry - Thanks, man. I'm going to continue with my plan of changing the oil/filer here soon and see what happens. I was also considering running a can of Sea Foam through it, just as a matte of course. Any problems with that?
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Old 08-29-2012, 01:43 AM   #32
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I've been following this thread as my 02 4.0L has been doing the same thing sort of.I can drive it all day and when I stop at a light the pressure will drop to about 20 or a little less but the check gauge light won't come on but if I was to turn it off to go into a store when I start it up again then the pressure is low the check gauge and chime comes on until I rev it up some then it's ok.The motor sounds fine with the low pressure and I have changed the sender with a mopar unit but still curious as to the problem.I will be doing a oil change with a K & N filter and 10-40 w oil because it doesn't get colder than 60 degrees here.


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Old 08-29-2012, 09:09 AM   #33
Knows a couple things...

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Originally Posted by scottunzicker View Post
I was also considering running a can of Sea Foam through it, just as a matte of course. Any problems with that?
No problem but I'd consider that as a waste of $$$ and time for this issue.
When you have a choice, buy American.
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Old 08-29-2012, 09:52 PM   #34
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Originally Posted by gmabry75 View Post
Not quite sure where you got your information, but it's way off base. I don't know of any modern engine that doesn't have a normal operating temp of 210 or higher. So if that were the case synthetic would not be good for any engine. Regardless of what some people think, synthetic oil IS superior to any conventional oil.
Synthetic being introduced to older engines increases the potential for seals leaking.

I have a GMC, and a taurus with over 200,000 miles on them and have run nothing but Castrol dino oil, and fram filters. Not a drop of oil out the exhaust, or the seals.

Knocking on wood right now.

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fram , low oil pressure , oil filter

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