Table 1 shows six common engine and engine cooling related problems of the 2018 Ford Expedition. The number one most common problem is related to the engine and engine cooling (109 problems). The second most common problem is related to the engine crank/camshaft position sensor (two problems).
My 2018 Ford Expedition with the 3. 5l ecoboost engine has developed a pronounced rattling/knocking noise at startup. This appears consistent with the well documented cam phaser/vct problem affecting this engine family. Read details...
The contact stated that when the vehicle was started there would be a grinding noise coming from front-end of the vehicle. The noise occurred whenever starting the vehicle, however, it was more apparent when it was the initial start. Read details...
25000 miles. Previously quiet on startup. Started making a rattling sound if vehicle sat overnight a month ago. Initially lasted 1-2 seconds. More recently sound heard on startup after sitting only a few hours, and lasts 4-5 seconds. Read details...