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Old Dec 8, 2007 | 08:33 PM
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Default gas cap message

im getting a message on my 05 c6 that says check gas cap i check it and everything loks ok i opened it and closed it back and it still says it..can it be the sensor of the cap?
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Old Dec 8, 2007 | 08:40 PM
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I believe if you disconnect your battery will remove the light indicator.. The light will stay on forever before it resets itself. if there is something wrong the light will come back on. just make sure you get the cap on straight...

Also my buddy had a defective gas cap. The racheting mechanism goes south. As you turn it, it does not tighten and hence the pressure is not completing the requirement for the system.

He ordered the new gas cap and I haven't had anything since, bought it through Ecklers....Good Luck..

Gary
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Old Dec 8, 2007 | 08:53 PM
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thanks alont ill check right now see if its on right itf not ill go to the dealer moday should be covered under warranty
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Old Dec 9, 2007 | 12:56 PM
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Check your gas cap. If the racheting mechanism is loose, then you probably need a new cap. This is a common problem.
If it feels OK, then reseat the cap and start and stop the engine at least 3 times. I think the original 2005 caps have a green o-ring seal and the newer style have a different color.
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Old Dec 9, 2007 | 05:18 PM
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Originally Posted by FaSStC5
im getting a message on my 05 c6 that says check gas cap i check it and everything loks ok i opened it and closed it back and it still says it..can it be the sensor of the cap?
Do you smell any fuel in the car after fill up ? My 05 was doing the same thing. Ended up,I had a crack in the fuel tank at the top(filler). Dealership(and not the one I bought it from ) fixed it under warranty.
No problems since,Except I had to have my aftermarket exhaust realigned when I got it back.
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Old Dec 13, 2007 | 09:52 PM
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Default Gas Cap Info TY!

Hi!

Well - I checked the cap in my 07 AO Vert and now I see I need a new gas cap also! Mine won't stay one!
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Old Dec 13, 2007 | 10:07 PM
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I've had 2 replaced on my 05---under warranty.They stop closing + locking for some reason.
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Old Dec 14, 2007 | 01:41 AM
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Default Gas Cap Message

Same message, dealer replaced the cap...
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Old Dec 14, 2007 | 05:22 AM
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Same here , dealer changed cap, problem solved...
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Old Dec 14, 2007 | 07:06 AM
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Your dealer should check the cap. He can reset the light if there are no problems. Otherwise, it might take 50 cycles (according to my dealer as I had a loose cap last spring due senior moment) before the check engine light will clear itself. My original cap appears to be just fine as I have not had a repeat check engine light since.
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Old Dec 14, 2007 | 12:31 PM
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I had that problem, replaced the cap but it was acrack in the evap line to the sensor at the front of the motor by the gree cap. Look there.
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