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Chris, Shop Foreman
Category: Dodge
Satisfied Customers: 13756
Experience:  Dodge/Cummins and Chrysler Certified Master Tech
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Dodge: Have a 2004 Dodge Dakota 4.7 4wd . With K&N cool air

Customer Question

Have a 2004 Dodge Dakota 4.7 4wd . With K&N cool air intake .G Force. Have change IAC, new cats , MAP, 4 new oxygen sensor , new fuel pump, Runs good when it starts. A code of p0171 will not go away. Checked for Vac. leaks cannot find one. Please Help.
Submitted: 2 years ago.
Category: Dodge
Expert:  Chris replied 2 years ago.
Hello, my name is***** you for allowing me to assist you! Have you checked for any exhaust leaks? Even the tiniest leak from the exhaust manifold to beyond the cat can cause this code to set.