low oil pressure

milesb · #1 (**permalink**) 08-26-2007, 09:49 PM

i have almost no oil pressure during idle. it comes back to a normal level while driving but at a red light, drops again. is there some easy fix for this or do i need a rebuild?
thank you

rankroddin250 · #2 (**permalink**) 08-26-2007, 10:03 PM

how much oils on the dip stick? an oil change might not hurt to

milesb · #3 (**permalink**) 08-27-2007, 03:45 PM

Hi, it just had an oil change and it still does it. i checked for the obvious cause, low on oil, before post for help.

rankroddin250 · #4 (**permalink**) 08-27-2007, 11:36 PM

you might take it in and have the oil preasure checked. it could be as simple as the sender for the gauge is going out... if not its probly time for a rebuild

rankroddin250 · #5 (**permalink**) 08-27-2007, 11:37 PM

oh! and

to the org

milesb · #6 (**permalink**) 08-28-2007, 06:41 PM

no doubt its rebuild time, over 750,000 kilometers on it. are there tests that can be done to prove that out>

rankroddin250 · #7 (**permalink**) 08-28-2007, 08:17 PM

yeah i guess it would prbly be about done for... but I would imagine that you could unscreew the oil gauge sender and put a gauge on the port and see if its the sender or really low on oil preasure

tjmp111 · #8 (**permalink**) 09-10-2007, 08:49 PM

what year is the truck? cause if it is a 92 or newer then dont believe the gauge. it is not a gauge it is an idiot light that looks like one. put a real gauge on it just to see.

davand · #9 (**permalink**) 03-18-2008, 01:55 PM

Quote:

Originally Posted by tjmp111

what year is the truck? cause if it is a 92 or newer then dont believe the gauge. it is not a gauge it is an idiot light that looks like one. put a real gauge on it just to see.

hi! i wonder what you mean by this. my truck was made in april 92 and it has an oilpressure gauge (top left of those four small ones). the reason i found this old thread now was actually becuase i'm wondering why my oil pressure guage somtimes is in the middle ("perfect") and sometimes sits a little lower..?

also is anyone knows: whats the best oil for use in these engines? is regular 15w-40 ok or should i use that same expensive Catrol Tection that we use on the powerstrokes?

tjmp111 · #10 (**permalink**) 03-18-2008, 07:01 PM

Does your truck look like mine? If it does than it has the idiot light gauge. Replace the sender and it sould fix the gauge from moving.
15-40 is a great allaround oil. That is all that I run. DO NOT USE PENZOIL.
They use perifin wax and it leaves deposits in your motor.

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