I cranked the truck up this morning and everything was fine except I
noticed that the oil pressure gauge bottomed out a few seconds after it
started. It popped back up and then back down so I quickly shut the
truck off. I checked the dipstick and it was obviously slinging oil.
Turned the truck over again, it popped up, popped down and back up
quickly and stayed good all day. Could it have been simply a small clog
in the sending unit? the truck has 85,000 and runs great. I know that
gauge is basically an idiot light on a needle. any ideas? Thanks.
It could be a problem with the sending unit or system wiring. However, I
suggest you find an alternate way to verify the oil pressure because it
could also be a failing oil pump or main bearing problems.
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