Check Engine Light - O2 Sensor

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SwampTrac

Member
Joined
Dec 16, 2023
Messages
83
Reaction score
99
Location
North Carolina
What engine do you have?
V6 engine
What year is your Sport Trac?
2002
What Generation is your Sport Trac?
1st Gen Owner
Well I was driving down the road yesterday and my check engine light came on. Its never been on before, so I drove to O'Reilly and had them do a scan. They pulled a code P0136, which indicates a bad O2 circuit in Bank 1, Sensor 2. Luckily my county no longer requires emissions tests, so I'm not in hurry. But I dont want to hurt my fuel economy as this is my daily driver. Does anyone know where this sensor is exactly? How difficult is it to replace? Also what brand should I go with?
 
Sadly this could be MANY things from a vacuum leak, to a bad injector, to a burnt wire to many other things. Replacing the sensor is normally not the issue.
 
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