Question about 2003 Ford Explorer Sport
First. Check the vacum routing from the egr. facing the engine, the vac.
line should go to the right and connect to the egr vacum regulator
solenoid. The line from the solenoid to manifold vacum. The solenoid
is also connected to the powertrain ctrl. module And some models,
have a egr sensor. the two vac.lines from the sensor(if equipped)go to
the exaust below the egr valve. The three wires from the sensor go to the pcm. At this I would plug in the obd2 scanner if no vac.leaks or
bad connections have been found. This can narrow the field greatly.
You can stop by an autozone/napa etc. they will scan it for free.
I hope this helps. Good luck.
Posted on Feb 03, 2010
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Posted on Jan 02, 2017
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