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1992 Lexus SC300

Question: To chk compression, what kind of psi number should i get.

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hiphopper415, Pittsburg, CA, February 25, 2010, 16:15
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My son was told that his engine was no good. The car will crank but will not start. I wanted to know what numbers to look for during a compression test.

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  • Answer #1

    Oakman February 25, 2010, 16:34
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    A good rule of thumb for engine compression would be 150psi - cylinders should all be within 10% of each other.

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