The oil pressure gauge on my 02 TJ 4.0 is pegged at 80 and its running fine. It just started this. I'm assuming its a bad sensor or something. does anyone have any ideas?
Takes five minutes and one wrench to swap out the sending unit. $26 at autozone. Did mine a few hours ago. Mine was failing low though, not high. Try to put some newspaper under you because a little bit of oil will drip out
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