» » »

Infiniti Q&A

Ask Your Question

1999 Infiniti G20 Question: Why is engine light still on? Replaced rear 02 sensor. Codes are PO138 PO139



BradfordC, Carlsbad, CA, May 25, 2012, 18:20

Replcing the sensor was step one. Is there a common issue other than the sensors which might bring up these codes?

0 Answers
Flag This