Check Engine Light Due to Gas Cap Issue on Saturn Vue

A Loose or worn gas cap may cause Check Engine Light to illuminate. At this time, RepairPal cannot confirm a recall for this gas cap issue.

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Average mileage: 92,084 (23,000–177,000)
8 model years affected: 2002, 2003, 2004, 2005, more2006, 2007, 2008, 2009
88 people reported this problem
39 people shared problem details
2004 Saturn Vue104,200
check engine light comes on about every 10,000 miles, i'm on the 4th gas cap - is there anything else that can be adjusted?
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2009 Saturn Vue75,000
Same issue. Also have problems filling tank with gas; backs up like it's full when it's not.
2008 Saturn Vue70,000
Mechanic at the shop says it is "vapor lock" due to a loose fitting gas cap that trips the sensor. I have to have the stupid light reset every 3,000 miles when I have my oil changed.
2007 Saturn Vue113,000
Check Engine light comes on ALL the time from the gas cap not sealing properly. The two codes earlier in the thread are the same ones I keep getting. I finally just bought an OBDII code checker for about $30 and I reset the light myself as well as verify no other codes are popping up. Replacing cap doesn't seem to solve the problem for long if at all. Any other suggestions would be greatly appreciated to alleviate what is mostly a nuisance at worst.
2004 Saturn Vue80,000
Found the problem to be the gas cap but not until I got the correct one for my truck. They make two gas caps for the 04 Vue depending on the flapper inside the filler neck. If you look and its a plastic one then you need the correct cap for that one if its metal then you need the correct cap for that one. Problem was corrected from then on.
2008 Saturn Vue50,000
Check engine light has been on due to emission system. Unable to find solution
2008 Saturn Vue68,750
check engine light comes on and stays on. Stopped for a while when I replaced a worn gas cap, but now comes on randomly, escpecially after i get gas.
Yes, the gas cap will cause the light to come on. Replace it when you get the light to see if that is the problem.
2004 Saturn Vue96,450
Check engine light on; gas cap loose and turning freely, rather than "clicking" to lock.
2004 Saturn Vue101,000
My check engine light would come on also because of the gas cap, but by replace the cap it stopped.
2003 Saturn Vue120,367
Head lights flashis on and off when I start the vehicle
2004 Saturn Vue90,000
engine light due to gas filler cap.
2007 Saturn Vue101,000
check engine light on. gas cap tightened.
2007 Saturn Vue94,325
Out of the blue, my emission light came on.
How do I get rid of check engine light for gas cap. I replaced the gas cap and light is still on
Check engine light stays on Had oil change and now it will NOT go off
2006 Saturn Vue75,000
I am on my 3rd gas cap. However I also have a idiot light (check engine) that comes on an remains on but does not register any codes in the computer.
2002 Saturn Vue61,240
Check engine light comes on and won't shut off. I have taken my car to two places and they cannot find any problems. I have changed the gas cap, but used a "genuine" Saturn approved replacement part. It's driving me CRAZY
2006 Saturn Vue80,000
Haven't fixed it yet. Engine light came on 2 months ago, went off, I had some maintenance on it before vacation, now we're 1200 miles from home and the light came on again. Calling a dealership in the morning!
2006 Saturn Vue52,000
This is the 2nd time I have had to replace my gas cap. I don't remember my mileage the first time it was replaced.
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