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2006 Ford F-150 Question: Engine periodically goes into Failsafe mode.

 

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DanMc, Sulphur, LA, March 08, 2012, 08:55
 Rookie

I have noticed power loss at highway speeds look down at the gauges and notice that the message center says 'Failsafe mode'. The engine either quits or goes to a rough idle. To clear the message and restore engine performance I have to pull over put the transmission in park, shut off the engine, wait a minute or two and restart. This happens a few times a year over the past few years and has resulted in power steering loss and power brake loss while driving on the interstate at 60-70 mph. I have brought it to the Ford place and they stated that they could not replicate. It has been doing this since I bought the truck new. It now has 110k miles.

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  • Answer #1

    Greg's Orange Auto (13978 Answers) , Orange, CA - (714) 361-9386
    globalhelper March 08, 2012, 12:50
     Master

    HAVE YOU HAD ANY CODES READ ON THE TRK?

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    Elwood Jarman, December 13, 2012, 12:38
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    I had the same problem with my truck ('06 F150 5.4 Triton) and turned out to be the throttle body. Found a new/used on ebay cheap and replaced it. No more problems.

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