2003 Chevy Avalanche oil presser gage

2003 CHEVROLET AVALANCHE
120,000 MILES • V8 • 4WD • AUTOMATIC
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TAK
  • MEMBER
  • 14 POSTS
the oil presser gage shows max or sometimes normal or too low. i thought problem is gage itself. but its looks okay when i turn the key to on. all gage moved same. after engine on then the gage is stay max or too low or normal. also the moving is really quick.
anyone have any idea?
please tell me whats wrong is it?
so far i think oil presser sending unit is problem!?
i havent chance to check actual il presser, yet.

thx
Aug 3, 2010 at 5:11 PM
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RASMATAZ
  • CAR REPAIR CONTRIBUTOR
  • 75,992 POSTS
Hi Tak, Welcome to 2carpros and TY for the donation

Check it with a mechanical gauge if normal replace the oil pressure switch abnomal could mean oil pump or engine bearings-Let me know
Aug 3, 2010 at 5:18 PM
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