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What does the troubleshooting code PO496 mean when you have the check engine light tested?
Bloner
You have an emissions or vapor purge problem, I replaced the gas cap (about $35 bucks) and the vapor solenoid (about $50 bucks) not including $100 bucks each time I got the code read and reset plus labor and the same problem came back on wifes 07' trailblazer within two days. Personally I recommend selling the piece of crap and not buying another GM product. A friend of mine is the parts manager at a Mazda dealership and said it's amazing how few problems the mazdas have as compared to the chevys when he worked at the chevy dealership. We're getting the code reset this week and are going straight to the mazda dealer to test drive an suv, I wish you luck!
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∙ 12y ago
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