Question about 2006 Dodge Magnum

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Gascap odometer reads gascap but cap is on tight

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Check the o-ring under the cap or just replace cap,dodge uses a system called leak detection with a small pump to put vacumm on the evap system if the system fails to hold vaccum then it is 90% time the fuel cap or bad vaccum line in evap system or purge valve.

Posted on Sep 27, 2009


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Engine light on & gascap

The gascap light means you may not have the gas cap on tight, or it may be faulty. The check engine light means the computer has found a problem that will affect performance and-or emissions.
Such as a leaking gas cap.
If the gas cap is ok, you may need to get the computer scanned for trouble codes to proceed with testing.

Dec 12, 2012 | 2007 Ford Explorer Eddie Bauer

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Gascap on mileage reading

I assume it is displaying gas cap on the odometer. This happens when the van sees a EVAP leak. It is small and is telling you to make sure the gas cap is tight. If it is you probably have a leak in the EVAP system. If it gets worse it will turn on the check engine light.

May 29, 2012 | 2007 Dodge Grand Caravan SXT Minivan

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The word "gascap" is displayed in the odometer. I

The most likely reason your display is reading gas cap is that you have an unsolved evaporation code. Most of the time simply replacing the gas cap will fix the problem, but since you have already done that there is a whole list of other things you could check. I would start with your hose that runs to your tank from your fill spout. It is possible that it has a small crack in it. Or it is even possible that one of your injector O rings has gotten bad. The bottom line is that evaporation codes are very hard to pin point and usually do not cause any problems at all. So if you decide to do nothing and not spend any money on the problem you will probably be just as well off. Well that is other then being annoyed by your gas cap light. I hope this helps you out, and if you have any other questions please feel free to ask.

Oct 04, 2011 | 2006 Dodge Grand Caravan

1 Answer

2009 dodge grand caravan gascap warning came on on my odometer display. I have checked my cap for tightness and it seems to be fine. I have heard that it may take a few actually trips ( not just turning...

Hello and welcome to FixYa!

Please try to remove the positive battery connector and let it sit for at least 5mins. or more before reconnecting it. This will reset the system and can get it back to it's normal operation.

Hope this helps and thank you for using FixYa! Have a good one!

Sep 29, 2011 | 2009 Dodge Grand Caravan

2 Answers

Have code on the odometer "9ASCAP" or possibly "9RSCRP". What does this mean? It seems to run fine.

It actually says GASCAP. Just turn off the engine, Remove the gas cap and replace it, making sure to turn it more than you think you need to close the cap. You may need to purchase a new gas cap because the seal is old.

Nov 21, 2010 | 2006 Dodge Ram 1500

1 Answer

Gascap light comes on every time I start the car.

You will need to get the code befoe anyone can begin to diagnose this, There are about 5 parts that can cause this problems. The gas cap is one of them. If anyone has been uner the hood just pryor to this happening its possible they left a vacuum hose off or maybe broke one.

If this car is really an 07 then this being an emission issue you are covered under warrenty. Take it to the dealer.

Jan 12, 2010 | 2007 Chrysler Sebring Sedan

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