What would cause oil gauge to go from low to high back and forth, chiming? on 2006 Chevrolet Tahoe

Occurs while driving. Plenty of oil.

by in Austin, TX on April 17, 2013
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2 answers
ANSWER by , April 17, 2013
poss oil sending unit is failing
ANSWER by , August 21, 2014
Sounds like oil pressure sensor. Have GM or your favorite mechanic check.