Well clearing the error codes at auto store will not prevent it come. Jan 21, 2012 The codes you list are generic and unfortunately the descriptions provided are too. The night before I got the code my driver information center told me to tighten my fuel cap. The light could mean a costly problem, like a bad catalytic converter, or it could be something minor, like a loose gas cap. Free wiring diagrams here Enter vehicle info. Hopefully they'll be good, and a whole lot cheaper than the dealer. I have also found out that on these newer vehicles if you top of the fuel tank repeatedly which I have had a habit of doing the fuel can acutally saturate the vent canaster.
There are a few clips that you need to find and remove. Click search the blue link. There are a few clips that you need to find and remove. This trouble code is a reference number that is given to you when you plug your Sonic into a. My gas cap it also tight too, I was told it could have been that so im not sure please give me some good advise! Good luck figuring out what is causing your Chevy Silverado to throw the P0449 code. I have actually read somewhere that when the system fails, the majority of the time it is cannister or the hoses.
This trouble code is a reference number that is given to you when you plug your Silverado into a. In later car models, the car's computer can usually keep the vehicle running, but the engine warning light on the dashboard goes on to warn the driver. Sometimes this will jar the pump enough for it to run. Is changing the cannister something that someone with average mechanical abilities can do or would you suggest getting someone with some know how? Look for either a tear or hole in it. This includes the purge valve, line, and canister. I have actually read somewhere that when the system fails, the majority of the time it is cannister or the hoses. I have done some research and one of the first things I have done is change the fuel cap.
I have a 2009 Silverado with the engine light on. Otherwise, this article is meant to show how you can diagnose the problem yourself. 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. Also, a really good scanner will help you identify whether or not the valve is operating correctly. I will be waiting for your results good luck.
I would appreciate any input anyone has on this topic. Just recently my check engine light came on. P0449 indicates that the valve or solenoid circuit that controls the evaporation system is not functioning properly. With the key off the valve will be open. It often appears with, or is related other codes, such as , , and very often.
However, I did cut off the hose connectors on the bad solenoid valve and crushed them in a vise, which made it much easier to get them out of the hoses. It should be near a rectangle evap canister. This gasket can dry out, especially with vehicles that spend their time in dry climates. Sonic P0449 Trouble Code Causes There are many things that can cause the P0449 trouble code to trigger in your Chevy Sonic. If the valve has died and is stuck open, that can be the huge leak. Hopefully they'll be good, and a whole lot cheaper than the dealer.
This will be followed by the service engine soon light. You may try disconnection the hose and blow through it with both key off and on and see if air will pass through. If you are getting that message, plus a P0449, it may save you a ton of time and money to replace the fuel cap and see if it goes away. So you should chech it on our car models. Now don't ask yourself; What should you do with P0449 code? This means that regardless of which make or model of vehicle, the code will mean the same thing Sonic or not, as long as it was manufactured after 1996. When your car's 'Chevrolet Silverado P0449 Check Engine' light comes on, it's usually accompanied by a sinking feeling in the pit of your stomach. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.
You could have a fuel leak. This is one of the most common issues that causes the code. P0449 indicates that the valve or solenoid circuit that controls the evaporation system is not functioning properly. If you overfill liquid gets sent to cannister this then causes problems like you have. My truck is a Chevy Silverado 1500 2wd with the 4. This question is for anyone to answer.