07 patriot p0139 o2 sensor code repeat error after replacement

Question

o2 sensor was replaced. Light went out. But came back on. Connector bad? Harness bad? Any thought. Sensor is the correct one. Replaced in correct bank.

Comments

Hello John, I have the same issue and the same model year Jeep Patriot 07'. Did you happen to figure out what the problem was?

Answer 1

Hi there,

Other possible causes for this code can be a fault with the fuel injectors or intake air leaks. Here is some more info for you.

P0139 JEEP - O2 sensor 1/2 Slow response

Read more: https://www.autocodes.com/p0139_jeep.html