Question about 2003 Ford Explorer Sport Trac
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Posted on Jan 02, 2017
Very common concern with the Explorer, Explorer Sport Trac and Ranger with the 4.0l SOHC engine! The upper and lower intake manifold gaskets fail, causing vacuum leaks..It can be Extremely difficult to detect these leaks, because they only leak intermittently (usually in the AM after a cold soak)... As the engine warms up they seal back up! Sometimes the vehicle will idle rough, surge or stall after initial start up, then the symptoms will clear after it gets to operating temperature... Usually there will be no driveability symptoms at all, except the engine light coming on and setting lean codes.. The gaskets have been redesigned to correct this concern..
Bill Andrade Ford Master Technician/ASE Master Technician
Posted on Sep 22, 2009
SOURCE: I have a 2005 Ford
I think 1 is the sensor and on is the sender I beleive. Cant remember the order they are in. They should both be keyed different. If you unplug the pigtail from both, you can match the end up to the new one. Not a bad idea to do both though. They are cheap.
Posted on Jan 27, 2011
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