What is code 31?

Asked by Jan 13, 2014 at 03:52 PM about the 2004 Chrysler Pacifica Base AWD

Question type: Maintenance & Repair

2 Answers

20,265

Bad 02 sensor heater circuit. If this doesn't fix the problem replace the EGR valve. It will set this code too.

100,345

Go to http://engine-codes.com/p0031_chrysler.html: if it is P0031. A scan tool is better than doing the flash code on a Chrysler product, hope this helps.

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