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  #1  
Old 12-31-2011, 03:27 PM
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Exclamation Gas Cap Loose light on

Any idea what makes this light come on? i thought there was some sort of pressure sensor or something like that...

mine is on, and I have checked, rechecked, tightened AND removed and put back on the gas cap, THEN filled the tank and put the cap back on, but the light will not go out...
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Old 12-31-2011, 03:37 PM
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mine did the same, i've removed and put back on the gas cap, the light stayed on but after a while it went away
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Old 12-31-2011, 09:39 PM
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It takes a while for the system to retest itself. You could use a scantool to clear the code (if it has one, would likely be described as a very small evap leak) and it should turn off the light. Otherwise, you will have to wait. Make sure that you inspect the O-ring on the gas cap and make sure that it doesn't have any tears in it.
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Old 01-01-2012, 11:51 AM
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If it really bugs you and you're still under warranty you can go to the dealer and have it reset with their scan tool. Otherwise, like mentioned above, the system will reset itself with 4-5 successful starts (coupled with runs of 5-10 min., I believe).
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Old 01-01-2012, 11:59 AM
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You didn't get the gas cap on right so it triggers the sensor. I have done that a few times. You just need to re-screw that cap back on and it will go out. For the Nitro it is 3 clicks.
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Old 01-01-2012, 12:09 PM
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Yep, after a few key cycles, the light should go off and as suggested, I'd check your gas cap and make sure it seals. I've also heard filling up with the engine running will also cause the same code.

- Cajun
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Old 01-01-2012, 12:16 PM
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with all of the above.
It takes a few start/run cycles (normal driving) for the system to be satisfied that the problem has been fixed.

If the problem does NOT go away, then there may be an issue with the upper vent hose on the filler pipe. This is NOT very common, but is a condition that would simulate a loose gas cap.
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Old 01-01-2012, 12:21 PM
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awesome thanks guys. ill be headed out soon to grab a coffee before i plant myself in front of the tv for football...ill let you know if it goes out.

i did check the seal around the cap and even wiped inside the filler spout. it was kinda grungy...prolly my rustproofing over spray...but ill report back if it goes away.
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Old 01-11-2012, 10:55 PM
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well it has been a while now, and the light is still on...obviously a problem. ill be trying to take her in to the stealership this week...thank god i still have a warranty!!
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Old 01-11-2012, 11:19 PM
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The light is triggered by lack of pressure built up once the pump is activated, if the pressure it low or struggling it will pop a light.
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