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Ask Chris(aka-Moose) Your Own Question
Chris(aka-Moose), Nissan Technician
Category: Nissan
Satisfied Customers: 621
Experience:  16 years of experience
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Replace my o2 sensor twice and the engine light comes on 3

Customer Question

replace my o2 sensor twice and the engine light comes on 3 days after replacement and stays on for 5-6 days. check engine light disappear for another two weeks. comes back on 3rd week. return to my mechanic. code telling mechanic o2 sensors are bad. What is the problem?
JA: Does the light stay on, or does it blink?
Customer: stays on. no blinking.
JA: What is the model/year of your Nissan?
Customer: 1998 pathfinder LE
JA: Are you fixing your Pathfinder yourself? What have you tried so far?
Customer: no. mechanic. mechanic cannot figure out what is the problem despite two replacements
JA: Anything else you want the mechanic to know before I connect you?
Customer: new fuel pump installed, and the back sensors replace as well
Submitted: 9 months ago.
Category: Nissan
Expert:  Ron replied 9 months ago.

Hello. My name is ***** ***** I am happy to assist you today. Give me just a moment to review your post, and I'll be right back with the help you need.

Expert:  Ron replied 9 months ago.

Can you tell me what the fault code and or codes are that are coming up when the light comes on?