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Malibu Maxx
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Check Engine Light Due to Gas Cap Issue on Chevrolet Malibu Maxx

Problem Description and Possible Solution

A Loose or worn gas cap may cause Check Engine Light to illuminate.

Problem Data
RepairPal Verified
Average mileage: 109,955 (20,154–214,000)
4 model years affected: 2004, 2005, 2006, 2007
58 people reported this problem
Comments
Viewing 1 - 20 of 27 comments
Check gas cap light is on. Replaced the cap and problem still not solved.
Had this problem. Replaced gas cap with one from Oreilly Auto Parts that was made in Israel. Problem solved.
Gas cap been a problen ever since 50K ....something wrong with GM here..They refuse to fix it or recallit..I say it needs to be recalled...
ENGINE LIGHT AND GAS CAP PROBLEM
The problem with the check gas cap message and will not pass inspection in the state of Texas. No solution yet to be found.
The light of the gas cap on went a turn the car on
I have had this problem for a long time. Its disappointing to see that no one else has been able to get it fixed either.
yes, mine has been on and still on @ 223,000
I tell you, as long as you get oil changes and fluids changed frequently your car will run forever - Loving my Chevy Malibu Maxx and it still hits the freeway like a DAWG!!!!
This is the second time I have had this issue in the last 4 yrs. I have replaced the gas cap three times. I was finally told that it was NOT the gas cap but was in fact the fuel evaporator canister near the fill tube that was the issue (about $150 to have fixed by mechanic). I replaced that and problem was resolved for about 2 years. I took my car to have recall work done at dealership and they broke the sensor tube near the throttle body. I replaced that for around $40 (easy fix). I still have the check engine light on and the check gas cap message. I was told that a leak anywhere along the vapor return line can cause this issue. I live in NC and any check engine light will not allow vehicle to pass inspection in my county. I don't have the money to have it traced right now so car is sitting in driveway until I get money to have car checked out. I hope this helps.
i have changed the gascap several times and the ones that are supposed to fit dont.
Engine light came on , computer said to it was the gas cap. It was'nt the gas cap but rather the fuel filler neck which is apparently made of a hard plastic that has split in its stress point. I'm convinced that this is a common problem in GM malibu maxx hatchbach vehicles and could be a potientially deadly and dangerious defect. Their is no recall that i have received yet and the apparent OE reconfirgured replacement , that i'm sure won't be of the same orginal material , is a outragious $400 dollars from the gm parts department. I managed to find it for $350 after an exhausted internet search , but will have to save up to purchase it and in the meantime i hope my patch work holds.I'm not going to hold my breath for GM to recall it , does people got to die before that happens.The parts man at the GM dealership gave me no warning of danger but he commented that he thought the price for the oe filler neck was outragious when he told me in his words "he said he could'nt see why it was so expensive to replace and let me just walk away. How concerned is GM any way after all of the recent recalls you would think their people would be trained to look for these problems. I think it all about the money , they don't wan't to spend , their not concerned about human lives. Hope i survive till the problem's fixed.
Check gas cap / engine light have been on for approximately 2 to 3 weeks. Ordered an OEM replacement but did not correct the problem. Looks like I might have a evap leak as others have mentioned.
Fault code p0442. Gas cap loose.
Check Gas Cap message on the DIC, triggers Check Engine Light to steady. Replaced gas cap, problem remains. Code 449 and 455 after test...
My check gas cap signal came on then engine
sporatically gives the check gas cap message for the past year, then clears after I take it off and readjust the cap. Finally this month it popped a code P0455. Will be replacing the gas cap but from all I have read I am not overly confident that it will correct the problem.
I drive a 2005 chevy malibu maxx ls and i have had every problem in the book. The simplest problem that i thought could be fixed isnt fixed. First speaking of the gas cap problem. The dashboard said to check the aftermarket one i replaced in 2012. I went to get another after market one in 2014 when the check gas cap light came on in the dash that locked and put it on. Then suddenly check engine light comes on!. Later i find my evap has a hole in it and then i just took off the new gas cap because it was obviously making things worse. If i knew chevy was a GM car i would have NEVER bought it. Im only toyota
I drive a 2005 chevy malibu maxx ls and i have had every problem in the book. The simplest problem that i thought could be fixed isnt fixed. First speaking of the gas cap problem. The dashboard said to check the aftermarket one i replaced in 2012. I went to get another after market one in 2014 when the check gas cap light came on in the dash that locked and put it on. Then suddenly check engine light comes on!. Later i find my evap has a hole in it and then i just took off the new gas cap because it was obviously making things worse. If i knew chevy was a GM car i would have NEVER bought it. Im only toyota
Replaced twice still have problems.
engine light came on took the car to my repair shop. they did a smoke test. the result was the gas cap. got a new one and the problem stopped.