My truck drop oil pressure gauge to 0, but I drive back home and seams like nothing happen, but still mark 0 pressure on gauge
Hook up an external gauge to see if your gauge may be defective
There is a screen under the oil pressure sending unit that has to come out and be replaced or cleaned. This screen gets plugged up and affects how the oil pressure sending unit reads, giving a incorrect reading on the gauge. Should replace the oil pressure sending unit since it is out.
Good evening there COMET61...
I think this answer make very good sense, because I check the oil and is perfect and when it was running no noises and I check oil level when running and lucks like oil was running on engine properly, thanks Rowefast
Your welcome. I don't know why GM did this, but I think its dumb.
I was tried to said ,the oil level was perfect when I turn engine off and check the oil
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