scorbio
New Member
2000 civic check engine light came on cleared codes came back on 2 days later.codes p0136 n p0138 light went off couple days later stayed off for 10 days.shop says too much voltage o2 sensor no 1.shop tried to test for bad wiring on no1 o2 sensor but car kept going back in normal range.suspect its is computer related.what test can be run or need to be run in this situation is there a test for testing the main computer.also where is main computer located?