CEL disappear on own? possible?
#1
CEL disappear on own? possible?
I had a CEL for about 3 months now and it just magically disappeared on its own today. The only difference I made was that I recently have been using premium gas again (back up from regular). Is this possible? Or could there still be a ghost CEL? I didn't do a reset or anything.
#5
yeah i had a 1008 and 0304...crap i thought i was in the clear.
although i did get it smogged about 2 months ago..and the guy didn't say anything about the CEL? maybe its the opposite of a ghost CEL? faulty light?
although i did get it smogged about 2 months ago..and the guy didn't say anything about the CEL? maybe its the opposite of a ghost CEL? faulty light?
#6
Sounds like you have a couple issues going on.
#7
It happens...I've had the codes 0455 and 1448 (Evap canister vent control valve) go off and on for about a year. My cel was on all winter, and now its off. Just enjoy the cel not annoying you at the moment.
#11
i tried to force the code to re-show..which they did. I noticed that the CEL start blinking afterwards while i was driving, seemed to be somehow connected to the gas pedal..every time i accelerated, the light would blink..but if i let go, the light stays off.
anyway after i turned my car back on again, the CEL disappeared. dunno what the issue is .. but won't deal w/ it for now since my car passed smog.
thanks guys!
anyway after i turned my car back on again, the CEL disappeared. dunno what the issue is .. but won't deal w/ it for now since my car passed smog.
thanks guys!
#16
#18
I'm pretty sure it works like this: If the light goes out on it's own, it's because the PCM hasn't seen the problem in a few driving cycles. The code will be stored in memory until it's either manually cleared or the battery unhooked, but if the problem hasn't occured in a few driving cycles(can't remember how many) the light will go out.
#19
For strict smog certification, do they read the codes that are being thrown? Or just go on what whether there is an obvious problem through check engine light coming on?
#20
I know in my s14 that the ECU was set to throw the CEL until you started the car over something like 150 times with the same code. Then it would go off. If you had another 50 or so starts without fixing the problem, it would come back on. Nissan figures that if you haven't figured it out by the time the light goes off.....you get the rest.
#24
In CA they call it "MIL" test which stands for Malfunction Indicator Lamp so I am pretty sure it is just whether the light is on or not.
Birken
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