I have a 1997 ford experdtison have a code p0403

Asked by Jan 01, 2017 at 10:30 PM about the 1997 Ford Expedition 4 Dr XLT 4WD SUV

Question type: General

My check engine light is on

2 Answers


The car will need to be read to see what codes are showing up, take it a Auto Zone and have them read for free, post them here for help...


Basically on your po402 and p0403 codes, you have a EGR valve or system problem.

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