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Erractic Idle, engine stalls

(2003 Ford Expedition)
in San Diego, CA on December 08, 2010
Once the car is warmed up the idle becomes erractic and engine stalls. We already changed the IAC and the Mass airflow sensor but the vehicle idle is still the same
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Popular Answer
on December 08, 2010
there is a vaccuum hose that has a 90 degree bend on the pcv hose at the intake. common failure. check and see if it is leaking. you can get just the elbow from ford.

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