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i have the same problem twice now... last time the dealership replaced the gas cap and as i was leaving the light came back on. took my car to another dealership and they told me
"there was something on the computer wrong"
all i said was just get my car straight out. now its about 4-5months later and its on again and i got the code read... it was something about the cat not eficeint... car runs great fuel milage is still awsome... but check engine light is on...
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