HOW DO I KNOW WHICH WIRE IS THE SIGNAL WIRE ON THE O2 SENSOR FOR A ?
2006 Chevrolet Aveo
September, 9, 2012 AT 8:19 PM
My mechanic said he believes the ecm is shorting out my O2 sensors (3 in two months) I replaced the ecm with a used one but before I put the new sensor in I want to make sure the voltage isn't to high causing it to short yet another one.
Thanks a bunch