One problem related to manifold/header/muffler/tail pipe has been reported for the 2007 Ford Expedition. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2007 Ford Expedition based on all problems reported for the 2007 Expedition.
Dealer wants $800 to change spark plugs as they will break off in engine. Because a dis similar metal was used. Exhaust manifold bolts break and cause loud exhaust leak at the rear of the exhaust manifold dealer wants $850 to fix.