Question about 2004 Chrysler Pacifica
Check the original window sticker for the ACTUAL Federal emission coverage period,
You may able to get it fit for free.
EGR valve can be clean if you are will to get dirty.
Carbon build up inside the valve and the passage tube is the most common cause to have high Nox on emission test.
As long as the plastic diaphragm/membrane is not rip then you CAN clean it out.
EGR position sensor can be also a common problem to cause the OBD-II code,
A small amount of WD-40 can help lube to EGR position sensor.
Posted on Jul 15, 2009
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Posted on Jan 02, 2017
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