2006 - Stalls and Turns Off Sometimes - Chevy Cobalt Forum / Cobalt Reviews / Cobalt SS / Cobalt Parts
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post #1 of 3 (permalink) Old 07-21-2017, 07:27 PM Thread Starter
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2006 - Stalls and Turns Off Sometimes

When started first time in the morning its RPM not stable when idle. It goes up-down-up-down in 1-2 seconds intervals.

Sometime when I stop it just turns off, I start car back again and it runs. After like 30 minutes of driving it improves a bit but still does it.

I see many posts where users used fluid to clean injectors, clened MAF sensor, trottle cleanup but nobody posted if that fixed problem permanently...


So anyone knows what exactly is causing this?
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post #2 of 3 (permalink) Old 07-22-2017, 03:35 AM
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More than likely a dirty throttle body.

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post #3 of 3 (permalink) Old 07-22-2017, 03:19 PM Thread Starter
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Cleaned throttle, was very dirty.
Cleaned air flow sensor with spray, replaced spark plugs and air filter. So far its running OK.

I also added injector cleaner to the fuel tank, not sure if these does help or its just marketing thing...

Will see if this fix is going to last...
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