O2 SENSOR

1994 Jeep Grand Cherokee

Tiny

rickhollar

November, 24, 2010 AT 7:33 PM

Replaced o2 sensor 94 grand cherokee limited. It still runs crappy. Do I HAVE to reset the cp

FOUND 3466 RELATED QUESTIONS

4 Answers

Tiny

JDL

November, 24, 2010 AT 7:42 PM

Any applicable mil codes? How long since overall tune-up? Why did you replace the 02 sensor?

Tiny

caradiodoc

November, 24, 2010 AT 7:45 PM

"Crappy" can be interpreted a lot of different ways. Without real symptoms, clues, and observations, it is impossible to know which way to start looking for the cause. Based on an oxygen sensor's values, the Engine Computer will modify fuel delivery a maximum of plus or minus ten percent. You will not likely notice that while driving but it will have an adverse effect on tail pipe emissions when the sensor is not working properly. If you have a misfire condition, sluggish performance, or stalling problems, the oxygen sensor has nothing to do with that.

Caradiodoc

Tiny

caradiodoc

November, 24, 2010 AT 7:46 PM

Hi JDL. Sorry for the double reply. Hope they add a button that lets us delete our replies when appropriate.

Caradiodoc

Tiny

JDL

November, 24, 2010 AT 8:30 PM

Hey man, no problem. I do it also. Have a good day.

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