I have a check engine light on my other car. I've gone twice to Autozone for them to check with their scan tool what code it is. Both times as soon as they plug it in and we turn the car on the light goes off and they tell me there's nothing there. WTF? I did a search and couldn't find any answers.
I can disconnect the battery and it goes away as well, but the light will come back on eventually.
I used to get codes p420/430 last summer then I changed the O2 sensors and it went away. Don't know if this problem really is the cat or even related to that at all.
I can disconnect the battery and it goes away as well, but the light will come back on eventually.
I used to get codes p420/430 last summer then I changed the O2 sensors and it went away. Don't know if this problem really is the cat or even related to that at all.
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