Why does the oil pressure gauge flop to the high end (bottom of gauge) on my 05 Tahoe?
This does not look like zero oil pressure. Moreover, it goes too far all the way to the
lower right area at the bottom of the gauge. Engine runs well - no indication of oil
pressure problems....just something weird with the gauge? What are the probable
Sounds like a shorted ground wire for the gauge. HTH. -Jim
the gauge rarely, the sender screwed in block to oil passage about a12 dollar part , or a screen in threaded hole for sender completely plugged or loose wire as mentioned
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