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Check Engine Light


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Have an 03 SSS, check engine light keeps coming on. Go to pull the codes and comes back with EVAP Emissions Leak, Large, and theres always 2 codes. Ill delete them and drive it some more and the light comes back on. Same thing, sometimes it stays off 2 days, sometime 2 weeks. Many people told me try a gas cap, thinkin it was a cheap fix i tried it and did not work. Any suggestions?? :confused:

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My guess is that he is throwing a P0449 which is a EVAP canister vent solenoid valve malfunction, and a P0455, which signifies a massive EVAP leak. This issue is common, the vent solenoid valve most likely needs to be replaced.....

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