Question

I got fuel level low DTE fli data error on my 2006 Ford Mustang GT 4.6L. This message appears in the main cluster

Answer 1

You can gather a code , using certain scan tool that can communicate for a "B" code or the GEM module. Other than that here a TSB being a TSB it may apply to your vehicle, Gather a code is important it can help pin point the direction for the repair, There are 2 componenet that can cause this the anti -slosh which is in the instrument panel to fuel level sender , With a problem with the gauge you have to check for any "P" code that are set such as a P0463. This deals with the fuel sender

TSB 08-4-17

03/03/08

ERRATIC FUEL GAUGE

FORD:
2005-2006 Mustang

This article supersedes TSB 06-10-13 to update the Service Procedure.

ISSUE
Some 2005-2006 Mustang vehicles may have an erratic fuel gauge concern (does not read Full or reads Empty when tank is full). This may be caused by poor electrical connections at the fuel sender, at the in line harness connector, and/or faulty fuel sender card.

ACTION
Follow the Service Procedure steps to correct the condition.

SERVICE PROCEDURE

NOTE BE SURE TO CHECK FOR DTCs IN ALL OTHER MODULES.

NOTE AFTER A FUEL FILL UP, THE TIME FOR THE FUEL GAUGE TO MOVE FROM EMPTY (E) TO FULL (F) RANGES FROM 2 SECONDS TO 55 MINUTES DEPENDING ON WHICH OPERATING MODE THE FUEL GAUGE IS IN. SEE WORKSHOP MANUAL (WSM), SECTION 413-01 FOR DETAILS.

1.	Check for DTCs in all modules. Perform normal WSM, Section 413-01 diagnostics, for any fault codes retrieved. If normal diagnostics do not lead to concern resolution, then continue with this TSB.
2.	If the diagnostics in WSM, Section 413-01 indicate that the fuel sender is at fault, then replace the appropriate fuel level sensor per WSM, Section 310-01

Read more https://www.autocodes.com/p0463.html