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Ford Explorer code P0171

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18/03/2023 5:02 pm
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Hi there. I just installed a new PCV on my 2003. Also a new hose that is attached to the air tube that comes out of the filter. Still the CE light is on. The idle is not rough at all. What else could cause this? Thanks

LuisT63
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Too lean
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18/03/2023 5:17 pm

https://www.engine-codes.com/p0171.html

Chuck Tobias
Chuck Tobias 
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