1999 Chevy 1500 5.3 oil pressure drop
When my engine starts to warm up (after driving it for 20+ miles) my oil pressure gauge
will drop to 0 once it idles again. if i kick up the RPMs it will go back up to high 20s which
is low as well. I've changed all the oil and filters, and am looking into the sending unit
soon. any suggestions or help?! Thanks
Do a manual gauge test to see what the actual oil pressure is, sending units do go bad so a manual gauge will tell you if you have a engine problem.
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