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Ron Z.
Ron Z., - Ford Tech -
Category: Ford
Satisfied Customers: 17788
Experience:  18+yrs experience. State Inspector & Ford Diagnostics/Repair
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05 ford mustang gas gauge is not working tank signal sender

Resolved Question:

05 ford mustang gas gauge is not working tank signal sender working will replacement of gauge cluster fix problem
Submitted: 6 years ago.
Category: Ford
Expert:  Ron Z. replied 6 years ago.


This is going to be a faulty Fuel Level Sender. This is actually a known problem by Ford, and they have issued a Technical Service Buleetin on the issue:


TSB 08-4-17



2005-2006 Mustang


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.


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