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Does a Fuel pump need to stay on constintly for 97 f 150?

No, the fuel pump in a 1997 Ford F-150 does *not* need to stay on constantly. It's controlled by the engine control module (ECM) and only runs when the ignition is turned on (or very briefly before cranking to prime the system) and while the engine is running. If it's running constantly, there's a problem with the fuel pump circuit or the ECM. This could drain your battery and potentially cause other issues.
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