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GMC Master
14,092 Answers
- Posted on Sep 04, 2011
Re: When starting the engine the oil pressure will be...
IF OIL PRESSURE DROP ZERO YOU HAVE WORN ENGINE MAIN BEARINGS OR FAULTY OIL PUMP.. IF OIL LIGHT COMES ON BUT OIL PRESSURE NORMAL AND DONT DROP ANY THE OIL PRESSURE SENDING UNIT BAD. ENGINE NEED OIL PRESSURE WHILE RUNNING AT ALL TIMES IF DROPS TO ZERO YOU GOT PROBLEM.
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