my 89 f-150 has 2 fuel pumps. when turn on key can hear high pressure pump come on but stays on all of the time key is on. isn't there a pressure switch to shut off high pressure pump after a while?

Asked by May 16, 2018 at 03:33 AM about the Ford F-150

Question type: Maintenance & Repair

How do i stop high pressure fuel pump from running all of the time?

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