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EricFromCT
EricFromCT, Ford Technician
Category: Ford
Satisfied Customers: 3756
Experience:  20 years dealership exp., ASE A1-A9 L1 L2, Ford Lincoln Mercury Senior Master, Diesel Certified
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I have a 2003 Ford Escape, 3.0 engine, Auto trans, 185K. Car

Customer Question

I have a 2003 Ford Escape, 3.0 engine, Auto trans, 185K. Car has no power and won't get out of its own way. I am getting Codes P0304 and P0420. I have replaced the spark plugs and #4 coil pack. Engine runs smoother but still no power."
Submitted: 1 year ago.
Category: Ford
Expert:  EricFromCT replied 1 year ago.

Hi. P0420 indicates that the bank 1 cat converter is most likely plugged. A plugged cat will cause lack of power for sure, and can also set the p0304. But the p0304 may be unrelated. You will want to verify that the bank 1 (right hand side of engine) cat is plugged with an exhaust backpressure test.

Expert:  EricFromCT replied 1 year ago.

Please respond to let me know if you have further questions or comments. Thanks.

Expert:  EricFromCT replied 1 year ago.

Thank you for viewing my response. Have you made progress with checking your exhaust? Please respond with further questions and please rate my service. Thanks.