Question about 2006 Chevrolet Tahoe
IM getting OBD code P0449 how can I repair this issue?
That dtc is for evap system vent valve solenoid circuit. the computer is having a problem opening or closing that solenoid (a kind of electric motor that in this case moves to allow or prevent evaporated fuel to leave a canister that captures it) and it's letting you know that it has this problem because proper operation of that system is important to the emissions level of the vehicle. it also contributes to better fuel economy so you probably do want to fix it. the quick and easy way to deal with it is to replace the evap canister vent valve and hope that it wasn't the wires in between that part and the enigne computer that were causing the problem. your tahoe is new enough that this is probably a good guess, the wires are probably good. just a tip, when you put fuel in your vehicle stop when the pump quits the first time. if you keep pumping fuel into it you can fill the evaporative canister and evap system with fuel and the little electronic parts aren't made to take being submerged in raw gasoline. hope that helps
Posted on Jun 04, 2009
Do not overfill the tank. Stop when the handle clicks. There is an emissions vapor canister that is responsible for collecting fuel vapor when you are parked. When you over fill the tanks on these models, the canister gets saturated with fuel. Try filling it to 3/4 for a couple weeks and see if the problem goes away. Please rate if you find this helpful, thank you.
Posted on Jun 04, 2009
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Posted on Jan 02, 2017
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