Two problems related to engine exhaust system have been reported for the 2007 Ford F-150. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2007 Ford F-150 based on all problems reported for the 2007 F-150.
Exhaust smell/raw gas smell coming through the heating duct system into the cab of truck. Only happens when using the heating/defrost system. Doesn't matter if the vehicle is moving or at rest. Must crack window for fresh air or turn off heating/defrost system. This has been occurring since mid November but only when turning on the heating/defrost system. Happens at hwy speeds and local driving speed between 30-50 mph.
The threads in my 07 Ford f 150 for my spark plug in one of my cylinder's went bad. And my plug leaked high pressure compressed heated exhaust. Causing my ignition coil to partially melt. Its right below the fuel rail sensor too. Its the biggest pain in the butt to fix. Used a helicoil. Didn't last too long. Trying a more permanent fix next. I was on the highway going 70 when the plug began a very noticeably loud rhythmic leak with the ignition of that cylinder. Also, when I saw the problem when I looked at the spark plug. It had already had an existing helicoil put in. And you could tell this happend way before 200k miles. Because the old spark plug was worn almost all the way down. I still have the old spark plug.