2005 Ford Thunderbird Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2005 Ford Thunderbird

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There may be an extended warranty on the ignition coils - see your  Ford Dealer for more information-Thanks John B for this information!

The valve cover gaskets may leak oil into the spark plug wells, shorting out the spark plugs, causing a misfire, and illuminating the Check Engine Light. Commonly the spark plugs and ignition coils or wires will require replacement, along with resealing the valve cover to correct this concern.

Water or oil may enter into the ignition coil cover and the spark plug bore, causing a misfire and illuminating the Check Engine Light. A coil with improved water and oil sealing is available and should be installed.

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where can I buy revised ignition coils for 2005 tbird 50th anniversart

It doesn't do it all the time. Sometimes it is just fine and then it will slip. Then it will slip again.

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On 56 vehicles, the fuel tank may have an area with a thin wall and may crack, creating the potential for a fuel leak, fuel odor, and the Check Engine Light may come on. A fuel leak in the presence of an ignition source may result in a fire. Dealers will replace the fuel tank free of charge. The Ford recall number is 05S29.

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