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post #1 of 6 (permalink) Old 06-28-2013, 06:35 PM Thread Starter
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2010 Cobalt 2.2 XFE - Fuel Fill Problem

Hi folks, my heavily used 2010 Cobalt (95K) has developed a fuel fill problem where the pump shuts down every 75 cents worth or so....I understand this is a venting issue, but I'm not sure where to check for problems......Is the fuel vent line aligned with the filler tube ? .... I am also getting a P0446 CEL code, which I believe is related to the fuel fill issue......Any help is greatly appreciated ! .....John
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post #2 of 6 (permalink) Old 06-28-2013, 06:46 PM
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P0446 Evaporative Emission Control System Vent Control Circuit Malfunction

Pull the Evap vent valve solenoid before filling next time. If you have no problem that is your problem.





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post #3 of 6 (permalink) Old 06-28-2013, 07:13 PM Thread Starter
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EVAP Solenoid Valve (Location)

Thanks, but I'm not sure of the location of the solenoid valve ? Also, when I remove it to test, will I be able to drive to the gas station without problems ?
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post #4 of 6 (permalink) Old 06-28-2013, 07:22 PM
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Does it happen at every pump or just one particular station? There are a couple of gas stations that do this to me all the time, requiring me to pull the nozzle out slightly to keep a fill going. But at other stations it never happens. Sometimes I wonder if it has more to do with the particular shape of the fill nozzle at places. Of course, this is all speculative.

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post #5 of 6 (permalink) Old 06-28-2013, 07:30 PM Thread Starter
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Happens Everywhere

No, this doesn't appear to be a gas pump issue as I have had this problem for the last month at 4 different stations.
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post #6 of 6 (permalink) Old 06-28-2013, 07:44 PM
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Plus you have a code not the pump. You'll find it under the car in front of the spare tire compartment and behind the gas tank. 1/6th of a counterclockturn and you pull it out. It has the blue and red connector on it.


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