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Old 05-02-2010, 12:00   #1 (permalink)
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07 Fuel Gauge Problem

Hi all,
I have a 2007 F150 that has developed a problem with the fuel guage. When you turn the key on the guage pins itself to far empty, when key off the needle moves to the E. I replaced the pump/sending unit and still the same. Any ideas or has anyone seen this before?
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Old 05-02-2010, 14:19   #2 (permalink)
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Re: 07 Fuel Gauge Problem

If you disconnect the plug at the sending unit, the gauge should go to full. If it doesn't then the problem could be the yellow/white wire grounded somewhere. I don't know if they have an anti-slosh module, but if thwey do, that could be where the problem lies. You could take it to AutoZone and see if they can get a code for it they're in the P046x group.
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Old 05-02-2010, 14:30   #3 (permalink)
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Re: 07 Fuel Gauge Problem

Not tripping any codes, hate to have ta drop the tank again to disconnect the plug but may just have ta do that, Also noted that there are a couple Ford TSB's on fuel gauge problem TSB 19785 and 08-2-9 but I can't find what they are, any ideas. I traced all the wires when I had tank out and couldn't find any breaks in bundle or wear marks so doubt a wire broke inside without showing on outside.
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Old 05-02-2010, 17:15   #4 (permalink)
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Re: 07 Fuel Gauge Problem

Here's the TSB but it for an erratic gauge.
TSB
08-2-9 ERRATIC FUEL GAUGE OPERATION - MIL ON - DTCS P0460/P0463 OR INSTRUMENT CLUSTER MODULE DTC B1201 - VEHICLES BUILT BEFORE 12/3/2007

Publication Date: January 22, 2008

FORD: 2004-2008 F-150
LINCOLN: 2006-2008 Mark LT



ISSUE:
Some 2004-2008 F-150 and 2006-2008 Mark LT vehicles, built before 12/3/2007, may exhibit erratic fuel gauge operation or illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTCs) P0460 or P0463, and/or Instrument Cluster Module DTC B1201. This may be caused by sulphur contamination in the fuel causing an open or high resistance in the fuel level sender.

ACTION:
Follow the Service Procedure steps to correct the condition.

SERVICE PROCEDURE

Install a new fuel level sender following the service procedure instruction sheet provided in the fuel sender kit.

PART NUMBER PART NAME
8L3Z-9A213-E Kit - Fuel Sender (2006 starting 12/8/2005 through 2008 - FFV-26 Gal Tank - 126/132" WB )
8L3Z-9A213-F Kit - Fuel Sender (2006 starting 12/8/2005 through 2008 - FFV-30 Gal Tank - 139" WB)
8L3Z-9A213-G Kit - Fuel Sender (2006 starting 12/8/2005 through 2008 - FFV-27 Gal Tank - 145/151/163" WB
8L3Z-9A213-H Kit - Fuel Sender (2006 starting 12/8/2005 through 2008 - FFV-36 Gal Tank - 145/151/163" WB
8L3Z-9A213-A Kit - Fuel Sender (2004 through 2008 - Gas-26 Gal Tank - 126/132" WB
8L3Z-9A213-B Kit - Fuel Sender (2004 through 2008 - Gas-30 Gal Tank - 139" WB
8L3Z-9A213-C Kit - Fuel Sender (2004 through 2008 - Gas-27 Gal Tank - 145/151/163" WB
8L3Z-9A213-D Kit - Fuel Sender (2004 through 2008 - Gas-36 Gal Tank - 145/151/163"WB



WARRANTY STATUS:
Eligible Under Provisions Of New Vehicle Limited Warranty Coverage And Emissions Warranty Coverage
IMPORTANT: Warranty coverage limits/policies are not altered by a TSB. Warranty coverage limits are determined by the identified causal part.

OPERATION DESCRIPTION TIME
080209A 2004-2008 F-150, 2006-2008 Mark LT: Install New Fuel Level Sender, Includes Time To Remove And Install Fuel Tank (Do Not Use With 9002A, 9002A4, 9002A6) 1.9 Hrs.

DEALER CODING
BASIC PART NO. CONDITION CODE
9A299 42
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Old 05-02-2010, 17:49   #5 (permalink)
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Re: 07 Fuel Gauge Problem

Thanks for the update, well since I replaced the pump/sender unit I guess I have done the TSB. I dropped the tank again and disconnected the cannon plug from the pump and it made no difference. Did manage to get some trouble codes,which I cleared. Metered the wires and all seem good. Another person on another forum said he had this problem and they had to re-flash the computer, so since thats beyond the tools I want to buy to do friends truck I guess it will have to go to dealer for computer read.
Thanks Again
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