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Ask Ron Your Own Question
Ron, ASE Certified Technician
Category: Ford
Satisfied Customers: 23821
Experience:  23 years with Ford specializing in drivability and electrical and AC. Ford certs and ASE Certs
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2007 fusion 6cyl sel engine light they tell me it needs a

Customer Question

2007 fusion 6cyl sel engine light they tell me it needs a Cat coverter p0042 Ithink on bank 2 . only 90K miles.. Should I try and O2 sensor first ?
JA: Have you located all of the vehicle's oxygen sensors? Are the wires leading to and from each intact and in good shape?
Customer: yes
JA: Are you hoping to fix this yourself? What have you tried so far?
Customer: just started
JA: Anything else you think the mechanic should know?
Customer: I see it mostly with summer blend gas , not mush in cooler temp in florida winter
Submitted: 10 months ago.
Category: Ford
Expert:  Gary replied 10 months ago.

is this code a P0420 ?

what does the code description say ?

Customer: replied 10 months ago.
Not sure of code check p0042 left bank suggest cat. converter