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Re: CEL on, code 455 2007 Mal Maxx 3.5L
I'm not a techie, so I don't have a clue what Code 455 is, but I've had my '04 Maxx for almost 5 years.....
The "Check Gas Cap" on the DIC was a common problem with the '04s and '05s - my Maxx needed a new fuel tank shortly after purchase. No problems since. Maybe the '06s and '07s are developing the same problem?
The CEL can mean a slew of things. Mine was on about 6 months ago and it turns out I needed a new thermostat.
These cars are very "moody" and, like the legions of folks in here trying to resolve issues with the '97-'03s on their own, it will probably prove to be mostly true that a good Chevy dealer is our best friend. Until the economy improves and I can trade it in for a new vehicle.
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