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engine light on and I have a code#po174 on my 2001 ford escape xls 3.0 how can I repair this code?

Vehicle: 2001 ford escape xls 3.0

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Hi there,

This code indicates a lean fuel mixture on bank 2. There are several possible causes for this code. Causes would be an intake vacuum leak, leaking exhaust or a bad front O2 sensor on bank 2.

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