No Check Engine Light?? - Chevy Cobalt Forum / Cobalt Reviews / Cobalt SS / Cobalt Parts
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post #1 of 21 (permalink) Old 06-16-2012, 10:43 PM Thread Starter
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No Check Engine Light??

So a while back my car was driving sluggish. then i ran scanner threw 2 codes MAF and purge solenoid but i had no check engine light. also noticed that it doesn't come on at all when im starting her either , is this normal or we talkn something more serious here? ne ideas?? thx
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post #2 of 21 (permalink) Old 06-16-2012, 11:07 PM
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Did you buy your Cobalt new?

---------- Post added at 03:07 AM ---------- Previous post was at 03:06 AM ----------

You can have pending codes without engine light coming on.

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post #3 of 21 (permalink) Old 06-16-2012, 11:08 PM Thread Starter
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No used.....ok and doesnt it come on for a few seconds when you start it too?

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post #4 of 21 (permalink) Old 06-16-2012, 11:10 PM
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Your last part of the question I might be able to answer in the morning.

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post #5 of 21 (permalink) Old 06-16-2012, 11:12 PM Thread Starter
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k thx again for your help bud
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post #6 of 21 (permalink) Old 06-17-2012, 01:31 AM
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With all doors closed if you strap your seatbelt and turn the key to on position , without starting engine, the check engine light should be on. If it isn't somebody might have removed the bulb in order to pass inspection or to sell it without devulging it's problems. This practice is illegal.

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post #7 of 21 (permalink) Old 06-17-2012, 10:15 AM Thread Starter
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K ya ive heard of some used lots and ppl doing that suprised to hear its legal though lol...... i cant really remember but i could swear the light has been on before but ill just have to take a look i guess and see if i can find if theres a bulb in there.....

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post #8 of 21 (permalink) Old 06-17-2012, 12:00 PM
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Quote:
Originally Posted by o7COBALTLt View Post
suprised to hear its legal though lol......
Quote:
Originally Posted by Coby7 View Post
With all doors closed if you strap your seatbelt and turn the key to on position , without starting engine, the check engine light should be on. If it isn't somebody might have removed the bulb in order to pass inspection or to sell it without devulging it's problems. This practice is illegal.


This practice is illegal.

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post #9 of 21 (permalink) Old 06-17-2012, 12:12 PM Thread Starter
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AH ya i jus woke up when i was reading that lol well good it should be.. but like i said i think its been on before but since i cant remember ill jus have to check to see if its there its not coming on when i turn the key on for sure so somethings going on...

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post #10 of 21 (permalink) Old 06-17-2012, 01:51 PM
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Well if you want to make sure your Cobalt runs as well as it can, you need the ECM to be able to tell you when something as gone awry. That bulb needs to be replaced for you to get the warnings.

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