I'm wondering if anyone can help me out on testing the egr valve for a 2003 6.6 Duramax.
I'm wondering if anyone can help me out on testing the egr valve for a 2003 6.6 Duramax.
Generally, if a problem exists with the LB7 EGR valve, a MAF trouble code will appear. Do you suspect a problem with the valve? What are the symptoms?
Jim
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