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Attendant left gas cap off 2003 Cadillac DTS. Need to delete msge

Attendant left gas cap off 2003 Cadillac DTS. Need to get rid of message ''Check Gas Cap''?

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Disconnect battery for 5 minutes and reconnect.

Posted on Jun 24, 2009

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Posted on Jan 02, 2017

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Why is reduced engine power light coming on


you really need to scan it with a code tool and see what codes are turning light on

Apr 27, 2014 | 2006 Cadillac DTS

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Gas Overflow


Sounds to me like a bend/kink in your filler neck, or someone stuffed a rag down there.

Remove the fuel filler cap and run a long, rigid wire down your filler neck - if you encounter significant resistance, remove the filler neck from the tank and investigate further.

Feb 10, 2014 | 2000 Cadillac DeVille DTS

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I have a 2003 cadillac cts. the other day i was driving out of nowhwer a message comes in the screen saying "gas cap adjustment" or something like that n next thing you know my engine light came...


You shouldn't have anything to worry about. A loose gas cap will throw a check engine code in most newer vehicles. As long as you tightened it up, you are fine. The light sjould go off on it's own before your next refill, but if it doesn't take your car to an Advance or Autozone and they will clear the code for you for free. There is no danger in driving your car with the light on for this trouble code. Have a great day.

Jun 07, 2011 | Cadillac CTS Cars & Trucks

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1998 sls service engine soon light stays on. autozone said code indicatted gas cap / air in gas should go out on its own but has'nt after 2 fillups


should reset after 100miles but if didnt was code from gas cap left off or is gas cap seal gone bad also the same code is for the evap system check canister and lines for cracks and damage or smell of gas

Sep 29, 2009 | Cadillac Seville Cars & Trucks

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2003 Cadillac CTS V6


the sensor is wearing out, that causes the gas not to back flow, or you need a new gas cap(pressurized). I would get a GM gas cap, because the after markets aren't that reliable for your car.

Sep 05, 2009 | 2003 Cadillac CTS

2 Answers

Enigne light is on a few days ago i had the message check gas cap and now the light for engine is lit and gas cap has been tightened. Does it need to be reset? Or take to someone help.


It does need reset. Try a local AutoZone or parts store that does free check engine lights. Any repair shop will charge diagnosis.

Jun 19, 2009 | 2003 Cadillac CTS

2 Answers

2003 Cadillac Deville a check gas cap error appears with svc engi


put a new gas cap, those system are pres. even if
the cap look ok it maby leaking replace with a new
one it should solve your prob.
eng.ligh come on because of the gas cap

Apr 09, 2009 | 2005 Cadillac Seville

1 Answer

Confusing dashboard symbols on 2007 DTS


The gas door flap may have a locking device that is wired to the central locking and keyless remote fob. Make sure all of the doors are unlocked and it should allow you to open the gas cap door.

Apr 08, 2009 | 2007 Cadillac DTS Sedan

1 Answer

The fuel cap will not come off of our 2005 ford explorer sport.


Could be damaged from an attempted gas theft,,,or the cap may have been run over and damaged.
try using another gas cap from a friends car,,simillar cap though.

Jan 16, 2009 | 2003 Ford Explorer

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