My Chevy Truck threw a code that my $20 told me was a vent valve on the fuel tank. Since it was still in the range of the 7 year emissions warranty I foolishly took it to the Dealer. For $120 they told me what I already knew and that the evaporation emissions system was a wear and tear part not part of the emission system. Chevy customer service heard my complaint. They checked with the dealer and just blindly agreed with them. Since question one comes down to a matter of who you can trust I would take it a step further and only share information with a designated shop. Since that's not on the ballot we have to settle for a resounding YES on one!
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