2000 Honda Civic Q&A

2000 Honda Civic Question: engine codes p0136 and p0138.too much volts heat side of o2 sensor?

light went on, cleared code went back on next day,got above codes.took to shop said o2 sensor1 gettn too many volts.light when back off stayd off for 10 days.back 2 shop tested wiring with flowchaart but car kept gong back 2 normal range.suspect main computer does this sound right way 2 diagnose this or nd to go to dealer b4 shelln out computer money? -
This question hasn't been answered yet.
Answer It or share it on , or Email to get an answer.