Why does my engine oil light sometimes come on?
The engine oil light comes on when your engine suffers a drop in pressure at the oil pressure sensor. Apart from a faulty oil pressure sensor, the problem can be caused by:
- insufficient oil pressure leaving the oil pump. Without enough oil pressure, the engine can't lubricate itself sufficiently. If the engine continues to be operated, it will totally seize and be destroyed.
- oil sludge build-up within the oil distribution circuits of the engine, causing a restriction of oil supply to vital engine components.
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“Our old, yet mostly reliable 1997 Astro van has had a progressively worsening
low oil pressure problem for a long time. At idle, oil pressure sat around 30psi, and at higher RPM, it could only manage just over 40psi. Highly recommended by a friend, I did the engine flush with Flushing Oil Concentrate. The very first start with new oil, and immediately the oil pressure at idle was 55psi. At highway RPM it now sits solidly on 60psi. I couldn’t be happier with the result! Awesome product, awesome result. Thanks.”
Nathan A, San Francisco, CA