I cant get the rear gas tank to work. when i put it on the rear tank it stalls like it is not getting gas. how do i figure out what the problem is?

25

Asked by Aug 08, 2007 at 04:47 PM about the 1990 Ford F-150 XLT Lariat 4WD LB

Question type: Maintenance & Repair

4 Answers

42,175

Sounds like the fuel tank switch is bad where it mounts on the frame. Between the tanks there is a switch that physically transfers fuel feed from one tank to another. These often become corroded and inoperative. However, someone may have disconnected the second tank for some reason, like a leaking tank or other problem.

525

You cane have bad transfer switch .

525

PS the inline transfer switch or if there's is a separate pump it may b bad .

35

i think its your in tank fuel pump. i had a similar issue with my 96

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