Question about 2005 Dodge Caravan
Both codes po406 and po404 refer to a fault in the EGR system
Po404 > Exhaust Gas Recirculation Circuit Range/Performance not within proper range.
Po406> Exhaust Gas Recirculation Sensor A Circuit High (meaning the circuit is open or disconnected)
Without actualy checking the voltages (wiring)
Replace the EGR valve
Posted on Sep 07, 2010
Save hours of searching online or wasting money on unnecessary repairs by talking to a 6YA Expert who can help you resolve this issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
Here's a link to this great service
Posted on Jan 02, 2017
Tips for a great answer:
Dec 27, 2017 | Cars & Trucks
Jun 29, 2016 | Nissan Cars & Trucks
Jan 24, 2016 | Cars & Trucks
Mar 08, 2013 | 2000 Audi A4
Oct 08, 2012 | 2002 Land Rover Discovery Series II
Feb 05, 2010 | 2000 Ford Focus
Jun 27, 2009 | 1999 Mitsubishi Montero Sport
May 21, 2009 | 2007 Fiat 124
May 19, 2009 | 1997 Kia Sportage
Sep 06, 2008 | 2004 Honda Civic
1,295 people viewed this question
Usually answered in minutes!