Question about 1997 Cadillac DeVille

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Oil light will not go off - 1997 Cadillac DeVille

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Stop operating the vehicle. Get an external pressure gauge and screw it in where the oil pressure transducer is located. If you have pressure, the sensing system is suspect. Typically the sender itself.

If you do not have pressure, this is a not good situation, and requires surgery to find out what is happening. The problem is that likely lots of parts are already damaged. It is often cost prohibitive to rebuild that engine.
If you do rebuild the engine, be certain to have timeserts installed in the block for the head studs.

Posted on Nov 07, 2010

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