searched and read the teg tip, but I still have some unanswered questions.
My car’s Check Engine Light came on a couple of times today, and stayed on, until I turned the car off and restarted.
From reading the Helms manual, Chapter 11, page 38, I’m assuming this means that the Back-Up system of the ecu was in operation at the time. What does thsi mean? I did not notice any loss of power or anything else at all.
Tonight I looked at the ECM (ECU) light whilst I turned my key to start and all I saw was a single repeating blink (Oxygen Sensor).
My teg is a 91, but Australian delivered, I’m assuming it has the same ECU and engine as the US-spec cars.
Did I read the code correctly? I have not noticed any problem with the car at all.
Tomorrow I’ll be doing the driving test for the Oxygen Sensor, as detailed in Chapter 11, page 54.
I figured that if I reset the ECU and check for codes, nothing should appear, until of course, the check engine light appears again.