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Q:

Engine starts but will not stay running psi on 2001 Cadillac Catera

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Engine starts runs for about 1 min. then shuts down and will restart, but will not stay running I heve 42 psi of fuel all the time ?
(1) Answer
Fuel pressure and the fuel pump is only one reason that this can happen. It could also be related to your ignition system or your emission control system.

You should check for any diagnostic trouble codes.