Although vacuum leaks usually trigger codes other than P0449, making sure that all vacuum lines are in good shape is a common-sense preventative measure that could prevent issues and problems later on. Jan 30, 2013 p0449 is an evaporative emission code that indicates a problem with the canister vent solenoid. This trouble code is a reference number that is given to you when you plug your Equinox into a. The 3rd time it stalled on me when i was. Failure to follow this rule could result in a misdiagnosis.
The order in which the transmitters are programmed is important. When this system malfunctions, the fuel vapor is not being dealt with properly. Cruze P0449 Trouble Code Causes There are many things that can cause the P0449 trouble code to trigger in your Chevy Cruze. If you are replacing all transmitters or none of the transmitters are working, choose the Clear memory and Program All Fobs option. I'm ready to trade this old friend if I can't sort this out. Do not operate or program the transmitters in the vicinity of other vehicles that are in the program mode.
This will cause the P0449 code. P0449 deals with the evaporative emissions control system. Other than failing the emissions the fuel odor may bother some drivers. Doing so could result in a false positive result, meaning that a perfectly good valve could be condemned simply because it is expected to perform outside of its design parameters. This gasket can dry out, especially with vehicles that spend their time in dry climates.
Look for either a tear or hole in it. Step 1 Record all codes present, as well as all available freeze frame data. The shop manual then calls for activating the vent valve. This will be followed by the service engine soon light. This can reduce tank pressure and throw the code.
You may notice the slightest dip in fuel economy as well. 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. Replace the valve if it does not hold a vacuum. Where do I begin to look for the problem. This means that regardless of which make or model of vehicle, the code will mean the same thing Equinox or not, as long as it was manufactured after 1996.
The ability to seal the vent is necessary for the on board diagnosis of other evaporative emission control system components. Posted on May 25, 2010 Had the same problem on our 2012 Equinox today. How serious is the P0449 code? Disconnect the valve solenoid from the system, and follow the directions in the manual on the correct procedure to apply battery voltage to the solenoid directly. This is one of the most common issues that causes the code. You should particularly notice the smell of fuel around the fuel tank area or fuel filler tube.
Are all these codes relate. Note that since vent valve solenoids are normally open, you need to apply battery current to the solenoid so that the valve closes. This includes the purge valve, line, and canister. Spark plugs typically need to be replaced every season or 25 hours of use. Good luck figuring out what is causing your Chevy Equinox to throw the P0449 code. You can test it by applying a power and a ground to the solenoid to see if it operates and open's and Close's. Both codes are caused by dirt entering the vent valve through a broken screen on the vent valve inlet side.
Need help with a P0449 code? If there is anything that you feel like you could add, please feel free to leave a comment below. Also, a really good scanner will help you identify whether or not the valve is operating correctly. 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. This is usually caused by road dirt getting into the vent sol. Pay extra attention to your tank level and make sure you are not leaking fuel.