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Yes you do. Some cars like my Lexus will self check and sometimes turn the light off once a certain number of positive results have been recorded.
Normally, when a CEL comes on, you cancel it and if it comes back, you fix the issue based on the DTC Code. Then you clear the code and cross your fingers.
You need an OBD-II scantool to reset the Check Engine light. Places like Autozone will read your codes for you but most will not reset the Check Engine light because of liability issues. You need to either purchase a code reader with reset capability or find someone who has one to do it for you.
2008 jeep cherokee (hemi) engine light its on i brought to fix they change 4 sensor and the converter. After 5 days engine light comes on again, what else can be? im depress about it, after paying almost 2 grand to fix this issue.
the problem you are having now with the check engine light isn't the issue, you're mechanic telling you not to worry about it is. It may very well be a small issue right now but I wouldn't try to disable the light. Think of it this way. You may not have an issue now, but what happens if you get a larger issue with you're vehicle and you've disabled the engine light?? you won't know that something is wrong. I would think about getting the issue fixed to turn the light off and that way if you have an engine problem later the light will go on to inform you
On certain issues that cause the 'check engine' light to come on, the 'computer' shuts off the 'Electronic Traction System' (ETS) to save power incase it is needed due to the issue. The main thing to focus on in this situation is why is the 'check engine' light on. You can go to your local auto parts store and ask them to check what code(s) is being given. Once the issue that is making the 'check engine' light is fixed then the 'ETS Off' light should also turn off.
Just disconnect the battery (negative terminal) and turn the headlight switch on for about 15 minutes. This should reset the PCM. Otherwise go to Advance and have them hookup the code reader and reset the codes. Thanks
its always best to take you vehicle to the dealership for this type of issue. if the light is blinking, this will represent a serious issue but, if it is just staying illuminated, this will represent an Emissions issue. In any case, a diagnostic scan should be run on the ecm to retrieve the trouble codes stored at this time.
The codes will direct you to the problem and, it will tell you how to fix it as well. the light cna be reset by the diagnostic cpu and it will shut off once the issue is fixed.
Auto zone can run the diagnostic for free.
this light is warning you of a serious issue concerning a failed sensor in the engine. you will need to run this vehicle in the nearest dealership for a diagnostic scan on the ecm/pcm device. this scan will give detailed info on the location of the problem and how to fix it. this scan cpu will also reset the light and it will shut off once the issue is fixed.
If you just want to shut the light off, you can just pull the battery post for a minute. this will reset the ecm but, if the issue is not fixed, the light will come back on in the coming days.
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