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EricFromCT, Ford Technician
Category: Ford
Satisfied Customers: 4036
Experience:  20 years dealership exp., ASE A1-A9 L1 L2, Ford Lincoln Mercury Senior Master, Diesel Certified
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I have 2005 ford focus zx4 2.0 I

Customer Question

I have 2005 ford focus zx4 2.0
Submitted: 2 years ago.
Category: Ford
Expert:  EricFromCT replied 2 years ago.

Hi. Have you made sure there are no vacuum leaks? Especially at intake manifold o-rings. Also You should check fuel pressure. Low pressure can cause p0171. Maybe start with the fuel filter. Respond to let me know your response. THanks.

Expert:  EricFromCT replied 2 years ago.

Hi. Thanks for viewing my response. Why have you not replied? Have you made progress? Do you have more questions? Please rate my service and let me know if you need more help. Thanks.