Technical Service Bulletins (TSBs) are recommended steps and procedures for repairing vehicles. A TSB is issued by an automaker when there is a growing trend with an unanticipated problems.
The F-150 has been assigned 1668 TSBs, the most of any Ford vehicle.
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The National Highway Traffic Safety Administration (NHTSA) has closed their investigation into engine problems in the 2011-13 F-150 after Ford sent a technical service bulletin to dealers on how to fix the problem.
NHTSA had received 95 complaints about the 3.5L EcoBoost engine in F-150 trucks misfiring. The misfires would only happen under humid or rainy conditions.
The EcoBoost engine uses twin turbochargers that compress air to increase the engine's power, and what Ford found was condensation building up inside of the air cooler tubes. When the condensation is high enough, up to three cylinders can misfire.…
The best way to find out what's wrong with a vehicle is from the people who drive them. Not only do owner complaints help us rank vehicles by reliability, but they're often used to spark class-action lawsuits and warranty extensions. Plus, they're a great way to vent.