Remove the clips from the underbody and discard. Step 2 Perform a thorough visual inspection of all associated wiring and connectors. The filter box opening should be pointing downward. Secure the filter box to the transmission vent hose just forward of the hose tee-section using a tie strap. It came back with P0449 emissions code. P0449 indicates that the valve or solenoid circuit that controls the evaporation system is not functioning properly.
I would try and clear it and see if she pops up. Do a bit of research into the applicalbe parts and you'll likely find a trend of malfunctions and repairs for your particular model year. This will be followed by the service engine soon light. It's ridiculous and General Motors Corporation does not want to take responsibility and stand behind their product. Also note that on these models a defective vent valve can make it almost impossible to fill the fuel tank, since the air in the tank cannot be vented.
However, in cases where the code is the result of the failure of the vent valve to close, a strong odor of fuel may be present. Next Complaint to follow this one. Could you please private message me your name, address, vehicle identification number, and current mileage? Way cheaper and has been great ever since. Note that since vent valve solenoids are normally open, you need to apply battery current to the solenoid so that the valve closes. Activating the vent valve solenoid repeatedly will often reveal intermittent faults, which can sometimes be extremely difficult to trace and repair.
Thanks, Yotaman Hey Guys, I'm new to the Forum, but needed some help from the best Chevy owners in the U. Sometimes this will jar the pump enough for it to run. To ensure correct installation, follow the procedures below. It is one thing to have a flawed design or defective parts and stand behind them, but it is totally different when they know and refuse to make good on it. Clear all codes when repairs are completed, and rescan the system to see if the code returns.
Look for either a tear or hole in it. The dealership has been very kind and accommodating but I feel that General Motors Corporation has shifted their responsibility completely to the dealership and us the customer. It came back with P0449 emissions code. Remove this screw and pry out the door pockets. Took truck back to dealership this time the code is P0442.
Have an assistant turn the key on, you should hear the pump turn on for approximately 2 seconds. What are the symptoms of code P0449? Inspect the vent valve; look for cracks or any signs of damage. Maybe the kit has been updated again? You may notice the slightest dip in fuel economy as well. Remove the screw that you just exposed. After the second time I cleared mine, it stopped coming on! Sometimes, when replacing the Fuel Pump, the seal will not be correctly installed. If your gas cap was not loose and you do not see any indications of failure, try replacing the gas cap anyways and clearing the codes.
Step 5 If the scanner does not or cannot activate the vent valve solenoid, consult the manual on the location of the valve. This is nothing like the part 's mentioned in this thread, although I think it's the same type of part. Other than failing the emissions the fuel odor may bother some drivers. Step 6 Once the valve and solenoid is removed from the vehicle, attach the vacuum pump to one opening. I guess the part could be different for me, because it seems to be located between the cab and bed, near the top of the fuel tank. How do you troubleshoot code P0449? What are the common causes of code P0449? I am pretty sure that after all the research I did that the 449 code is the Canister Purge valve. This allows vacuum to b.
The more trouble codes there are, the easier it can be to diagnose a problem. Install the new canister vent valve to the fuel tank clip or mounting bracket. As far as your lighter ports that is probably due to a blown fuse and unrelated to the fuel cap issue. She has 144,000 miles on her. In many cases, there will be no symptoms present other than a stored trouble code and an illuminated warning light.
There are also common ways to test the Evaporative System for possible problems. Silverado P0449 Trouble Code Causes There are many things that can cause the P0449 trouble code to trigger in your Chevy Silverado. Note: The previous steps can be done in any order. It will alsoindicate a short of some kind in the wiring so it is best to checkall wire connections. If either sensor isn't working correctly, the car will run rough and the engine will be less efficient. Plus we do not want to continue to have to do this every 30,000-40,000 miles.