Question about 2004 Ford F150
Problem started after getting a jump
5.4 L eng? On these at 90000- 120000 miles;
There is a vacuum line (rubber) on the aft part of the engine,engine-tranny-firewall area, that usually deteriorates to the point of leaking. This will cause uneven idle or stalling. The vehicle should still accelerate normally, especially at full throttle.
Posted on Jan 02, 2009
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Posted on Jan 02, 2017
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