Oil pressure......Need help!
#1
Oil pressure......Need help!
Hey all, the oil pressure gauge started messin up on me today. It started fluctuating, but it only does it below 700 rpm. As soon as it is above 700 it goes back to normal. The truck doesn't sound diff and still runs perfect. Is it the sending unit shooting craps or could it be something else? Thanks for your help
#2
Actually, it could be your oil pressure actually dropping below the "threshold" at low RPM. That "gauge" is actually an idiot light with a needle. The sender is a "switch". When there's sufficient oil pressure, the needle pointer goes right-of-center. When there's not, it goes left-of-center. The fluctuating you're seeing is the sender/switch opening and closing. So either the sender is indeed crapped out and switching at the wrong point, or the oil pressure is indeed dropping below the point where it trips the "gauge".
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i would bet its the sender. if the truck is running fine then the LPOP should be doing a decent job of keeping the HPOP rez filled. if it wasn't your truck wouldn't be running good. i'd replace the sender and see what that gets you. if they are expensive i would throw on a mechanical guage to make sure.
The sender is on the HPOP rez incase you didn't know.
The sender is on the HPOP rez incase you didn't know.
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