Ford runs lean and idles rough?

Many ford and other car models notice this problems,the best thing is to check the error codes stored in car computer,if you get steady check engine light on dash.But if there is no code stored in cars computer ECM.Then the most common cause is the pcv hose leaking on this engine , it is the molded PCV hose. It will crack and leak, but may be very hard to see it. Start with taking a close look at the PCV hose. and where it connects.

This will help.

Thanks.

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