2007 Toyota Corolla Q&A
2007 Toyota Corolla Question: Check engine light came on (code P0138) but disappeared a day later.
Take it back to the dealership and tell them about the problem, maybe the computer-re-flash did not go well. - dandd
for this code, you can try this Replace O2 sensor. Repair short to battery voltage in o2 sensor signal circuit. - chinasinoy
Hello i would go back to the dealer right away and have them recheck the recall work performed and the re-programing of the computer.HAVE A BLESS DAY from DR.RECO. - DR.RECO
Few months ago due to recall and check engine light the Toyota dealership changed the ECM control for my car. Two days ago I had the engine light back on. I checked and found the code P0138 but it...