When i hooked up the ecoobd2 to my truck it blinks all the time, is it supposed to blink?
Mar 13, 2023 at 3:53 PM
STEVE W.
✓Experienced Mechanic
15,358 POSTS
That is all it does is blink a light, remove it and put a tag on it reminding you not to use it. Take a look at these videos about those devices. In short, there is no way they can work.