Since your Vue is a 2008, most likely there is a good chance that it's covered under the emission warranty which is 5 years. However, an oxygen sensor is easy to replace on many cars and is usually detailed in the owner's manual. Unplug the pigtail harness, cut the hose going into the solenoid unit the hose going into my solenoid was heat shrunk on. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing. This trouble code is a reference number that is given to you when you plug your Suburban into a. If your spark plugs look good, problems with your ignition system can also preventing a spark.
P0449 indicates that the valve or solenoid circuit that controls the evaporation system is not functioning properly. These codes have nothing to do with weather or not the system can hold vacuum, they are purely codes that indicate an electrical circuit failure for the indicated output. Pay extra attention to your tank level and make sure you are not leaking fuel. Looking at the diagrams the only thing that the two have in common is the pcm where the ground signal comes from. I said, button it up, and I'll think about it.
Good luck, and if you are not already familliar with those tests don't try them. Interestingly, after that when I started the truck and pulled away, the transmission shifting seemed to be abnormal - it was jerking hard between shifts. Without being able to check the valves you will probably have to take it to a shop to have them checked out or pay the price to replace the valves and gamble they are the problem. What the heck is going???!!! I hesitate to tell you to replace the pcm, that is an expensive guess without the right tools to diagnose. I've made an appointment with the Chevy dealer to check things out. Without a scan tool that can control outputs you could check the individual circuits without checking the pcm itself. The 449 and 443 are not interconnected in any way so I would say it is a coincidence that you had both set in a matter of days.
Good luck, and if you are not already familliar with those tests don't try them. You will need to obtain these new parts from the Dealer. So you should chech it on our car models. I have a 2005 that is throwing the P0449 code. Put the tape over the light.
Was annoying to have the check engine light on all the time. Look for either a tear or hole in it. Tape over the light actually was quite comforting. P0449 Diagnosis- Chevy Tahoe A mechanic has a wide range of instruments at his or her disposal to diagnose what would be causing the P0449 in your Chevy Tahoe. This includes the purge valve, line, and canister.
The 449 and 443 are not interconnected in any way so I would say it is a coincidence that you had both set in a matter of days. Thanks in advance, Joe Today's observation. So, he supposedly put another new one on, ran the diagnostic and told me, code P0443 is still being set that he believed the vent tube needed to be replaced. You can really dammage electronic components if you do the tests wrong. The 449 and 443 are not interconnected in any way so I would say it is a coincidence that you had both set in a matter of days.
The solution is here : Chevrolet Tahoe P0449 Possible Solution : Disconnected, dirty or fouled spark plugs are common causes for engines that won't start. Could it be the computer going out??? My brothers trucks check engine light came on today and we went to get it checked and they said the code was P0499. Regardless of how you approach it, you should get this fixed right away. . P0455 - Evaporative Emission Control System Leak Detected no purge flow or large leak What does that mean? Looking at the diagrams the only thing that the two have in common is the pcm where the ground signal comes from.
You may notice the slightest dip in fuel economy as well. You should particularly notice the smell of fuel around the fuel tank area or fuel filler tube. I have read where some people have just changed the solenoid but others have changed the harness as well. There are a few clips that you need to find and remove. The solenoid is near the cansiter.
This is one of the most common issues that causes the code. Bought a new connector thinking that I may have weakened it initially when I first tried to remove it from the canister. I know the purge solenoid is working because before I reconnected all the tubing I plugged the thing back in, cranked up the engine, and put my finger over the end. The more trouble codes there are, the easier it can be to diagnose a problem. It should be near a rectangle evap canister.
There are a few clips that you need to find and remove. Way cheaper and has been great ever since. These can range from a faulty spark plug lead, shorted kill switch or flywheel key damage. 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. I read on one of the forums that these can fail if you top up your gas tank while filling up. Super cheap and simple to complete.