p0171 - 0174

Apr 24, 2010 1 Replies

Question for all the ford gurus



What can cause the above codes with a cel other than a leaking intake manifold gasket?



Gopher1


I had a P0171 on my '97 Crown Vic and cleaning the MAF sensor fixed it. It's a cheap and easy place to start. Google "clean Ford MAF sensor".

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