Check Engine Light at 900 Miles - Chevy Cobalt Forum / Cobalt Reviews / Cobalt SS / Cobalt Parts
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post #1 of 17 (permalink) Old 02-13-2010, 10:30 PM Thread Starter
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Check Engine Light at 900 Miles

I have a 2010 2.2 L 5 speed, with only 900 miles. The check engine is now on. Called Onstar and was told it is the emission system, check the gas cap and it should go off after 7 or so starts. Well it has not gone off. The question is how can I check myself which code is setting off the check engine light? Thanks for any help you can give me.

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post #2 of 17 (permalink) Old 02-13-2010, 11:00 PM
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you can take it to autozone or any parts store and they can tell you by using their code reader, keep us up to date bout it


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post #3 of 17 (permalink) Old 02-14-2010, 02:04 AM
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Take your gas ap off and clean the gasket and put back on tight.
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post #4 of 17 (permalink) Old 02-14-2010, 05:28 AM
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Take it to any auto parts store have them pull the code (for free) or take it to your dealer. Your still under warranty so they shouldn't charge you.





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post #5 of 17 (permalink) Old 02-14-2010, 06:11 AM
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With 900 miles just take it back to the dealer. You can get autozone to read the code before you go just so you have verification, but I would not touch a 900 mile car with a wrench.

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post #6 of 17 (permalink) Old 02-14-2010, 07:02 AM
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Originally Posted by Will mpg View Post
With 900 miles just take it back to the dealer. You can get autozone to read the code before you go just so you have verification, but I would not touch a 900 mile car with a wrench.
agreed lol thats what the warranty for

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post #7 of 17 (permalink) Old 02-14-2010, 07:10 AM
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There's not much worse than being on a long trip and having the SES (CEL) light come on. It makes you worry that there could be a major problem that could cause you to get stranded in the middle of nowhere. The SES will come on for the simplest things and not be a serious problem at all -- like the gas cap not being tight. In this day and age everyone should pick up a cheap code reader -- one with an "erase" feature. Not to become a repairman, but just for the "peace-of-mind" of knowing what the SES (CEL) is for.

Pick one up at AutoZone or any parts house, make sure it works on your car, and remember to carry it with you so you can verify what is wrong...so you'll know whether or not you can keep driving without having to worry about the engine blowing up...LoL!

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post #8 of 17 (permalink) Old 02-14-2010, 07:31 AM Thread Starter
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Thanks for the help, if I can find a Auto zone close I will try that, if not it goes to the dealer Monday. I will let you know how it turns out

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post #9 of 17 (permalink) Old 02-14-2010, 08:30 AM
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Quote:
Originally Posted by Red07SSNA View Post
There's not much worse than being on a long trip and having the SES (CEL) light come on. It makes you worry that there could be a major problem that could cause you to get stranded in the middle of nowhere. The SES will come on for the simplest things and not be a serious problem at all -- like the gas cap not being tight. In this day and age everyone should pick up a cheap code reader -- one with an "erase" feature. Not to become a repairman, but just for the "peace-of-mind" of knowing what the SES (CEL) is for.

Pick one up at AutoZone or any parts house, make sure it works on your car, and remember to carry it with you so you can verify what is wrong...so you'll know whether or not you can keep driving without having to worry about the engine blowing up...LoL!
^^^ This is awesome advise for us all. A great thing to keep in the car on long trips.

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Thanks for the help, if I can find a Auto zone close I will try that, if not it goes to the dealer Monday. I will let you know how it turns out
Yes, we will be hoping for the best.

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post #10 of 17 (permalink) Old 02-14-2010, 08:53 AM Thread Starter
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Went to the local auto zone for the code check,
p0442
defective or loose fuel cap
EVAP canister or hose cracked-not connected
purge or vent solenoid defective
vacume leak at engine
Well I did the easy one, the gas cap seal is intact and clean, stared the engine about 10 times and the SES is stil lon, guess it goes to the dealer tomorrow.

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