Question about 1989 Ford Mustang
Have no oil psi
Check the pressure sending unit. If that is okay, you will need to use an actual oil pressure guage to determine that the pressure is okay. I believe it should be around 40 PSI, at a high idle (You can find actual specs in a repair manual). Some possible problems are worn oil pump, weak pressure relief valve, or something restricting oil flow. I hope this helps.
Posted on Mar 29, 2014
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Posted on Jan 02, 2017
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