Fuel System - Erratic Fuel Gauge/MIL ON/DTC P0463
TSB 06-10-1305/29/06
MIL P0463 OR ERRATIC FUEL GAUGE
FORD:
2005-2006 Mustang
ISSUE
Some 2005-2006 Mustang vehicles may have the MIL on with DTC P0463, or erratic fuel gauge concern. This could be from sulfur contamination present in the fuel. Sulfur will cause an open or high resistance on the fuel sender card leading to an erratic fuel gauge reading or setting a P0463.
ACTION
Follow the Service Procedure for verification and repair.
SERVICE PROCEDURE
1. Perform normal Workshop Manual, Section 413-01 procedures to verify the concern. If the concern is verified proceed to Step 2 if unable to verify the concern do not continue with the TSB.
2. Replace both the Fuel Level Sensor and the Sender Assembly (Sender card on the Fuel Pump Module) per the Work Shop Manual section 310-01.
NOTE
BE SURE TO CHECK FOR DTCs IN ALL OTHER MODULES.
Parts Block
WARRANTY STATUS: Eligible Under Provisions Of New Vehicle Limited Warranty Coverage
OPERATION DESCRIPTION TIME
061013A 2005-2006 Mustang: 1.5 Hrs.
Replace The Fuel Level
Sensor And Sender
Assembly. Includes Time
For Diagnostics And To
Check And Clear
Diagnostic Trouble Codes.
(Do Not Use With 12650D
9275D, Or 9275A)
DEALER CODING
CONDITION
BASIC PART NO. CODE
9A299 49
Disclaimer