I've been driving with my CEL on for a few weeks now. (P0104 - EGR Insufficient Flow). It went off yesterday. I thought you had to reset or disconnect the battery to turn them off. What's the scoop?
CEL went off
- Thread starter LandCrusher'70
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Search function would be useful in this case. P0104 is common with the 80's, there's a full write up on here.
- Thread starter
- #3
Yes, I know about the code and the [possible] fixes. That's not the question. The question is: can the CEL go OFF by itself? I didn't know it could do that?Silicon 70 said:
It does go off by itself, but I guarantee you it is still there.
Mine turns off after a while also, but my OBD2 reader says its still there.
Mine turns off after a while also, but my OBD2 reader says its still there.
P0401 is "EGR flow insufficient" (Don't know what a P0104 is...)
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LandCrusher'70 said:
Yes. The P0401 is a 2-trip logic. My taco is in the O2 sensor MIL now. Comes and goes. It is inevitable that I will need to replace the O2 sensors soon though.
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- Thread starter
- #7
Not the first time I’ve had a bit of dyslexia.
I kinda gathered that the problem wouldn’t heal itself. I eventually need to do something about it. Just surprised me when the light went out. I assume it’ll come back on at some point.
Thanks fellas!
I kinda gathered that the problem wouldn’t heal itself. I eventually need to do something about it. Just surprised me when the light went out. I assume it’ll come back on at some point.
Thanks fellas!