Generation III Internal Engine 1997-2006 LS1 | LS6
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No oil pressure

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Old 03-07-2010, 03:34 PM
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Default No oil pressure

See if this sounds right

Good oil pressure for 100 or so miles, then slowly drops down, not really respective to engine speed, temp or anything else

Eventually on the return home it hits zero. I assume bad sender because any oil failure Ive ever seen was immediate good to bad pressure with spun bearings. Engine sounds fine

Unplugged the coils and spun it over to visually check for pressure coming from the sender's hole (removed). Nothing

A quick google search says this is common with the bypass getting stuck in the open position and a pump replacement will likely fix the issue assuming no internal damage from no oil

Ive got no obvious bad sounds from the engine, does this seem feasible?

The engine is not new, rebuilt or anything. I did not leave out any galley plugs etc




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