10 psi from shrader valve. 12 psi engine start.
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Some fuel pressure testers have an adapter that depresses the center pin of the Shrader valve when attached and do not require the core to be removed.
Check your specific test gear.
At key-on, you should have around 40 psi. When the engine starts and vacuum is applied to the regulator, you should see around 30 psi. This drop in pressure is expected and tells you that the regulator is working.
Check your specific test gear.
At key-on, you should have around 40 psi. When the engine starts and vacuum is applied to the regulator, you should see around 30 psi. This drop in pressure is expected and tells you that the regulator is working.
Last edited by projectSHO89; 11-05-2017 at 07:36 AM.
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