SparkChaser
NAXJA Forum User
- Location
- Martinsville, Indiana
I just replace an O2 sensor due to error code P138 coming up on a scan. Now I'm getting a P171 (Lean) with rough idle but apparently running well at speed after a few short trips totaling about 60 miles. Is this one to worry about or does the computer just need more time to adjust to the new sensor?
The XJ in question is a late 1996 (OBD2) with 200K+ miles and was running great with no problems prior to P138 message.
The XJ in question is a late 1996 (OBD2) with 200K+ miles and was running great with no problems prior to P138 message.