Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › Fuel filter won't come off line to fuel pump › Reply To: Fuel filter won't come off line to fuel pump March 17, 2020 at 8:03 am #953349 Richard KirshyParticipant Try blowing compressed air into and around the inside of the connector, then soak it in penetrating oil. After letting it sit a while carefully try to work the line.