My mechanic thought perhaps the wiring on the O2 sensor was a little bit too close to the heated parts of the engine and tinkered it a bit by tying it away from the heat. I have a 2003 Subaru Forester with a P0420 trouble code. The fuel level sensor output voltage changes depending on the movement of the fuel mechanical float. I took it to my local mechanic and said it was the 0420 code. When I drive the car for a week it will throw the code spirited driving. He looked at the sensors and thought the crank shaft sensor was loose but the code came back. I wish you would have tried us for the parts for your repair.
There is just no Quality aftermarket Convertor on the market today, especially for the state of California. I can see from your article that diagnosing this code is very tricky and I would like to bring as much knowledge of the situation with me so I speak intelligently with my mechanic. The car also had leaking head gaskets and we have always changed the oil frequently 2. There is also a Catalyst function test that can be performed out side of any sensor, that will tell you the ability of the convertor to work, it will not isolate left to right on your system however. Today they did not do the test for the emissions only read the code which I was unaware that reading the code and the test you mentioned were 2 different things of until reading your site.
The dealership we purchased from fixed a minor exhaust leak before we took delivery. At one time I had a running to lean code but it has cleared its self. What do you think is causing these sounds from the front end? I apologize for all the questions, especially without having all the proper information to give you to make a definite decision. I would just be guessing. At the next stop I popped the hood and noticed a severely leaking battery.
Not a Subaru dealer, so I think it was aftermarket. Thanks for the info and guidance. Later it starting changing in tone and frequency to a variety of sounds including a scraping type of sound. If its not affecting the performance, you can put it off until you need to test for emissions if you live in an area that tests. The why is learned data that has been lost typically with light of parameters, coolant temperature and maybe engine repairs that make changes in Combustion temperature such as replacing leaking head gaskets. Note: The value over here ranges between 0. I love the car, but the head gaskets were leaking.
Jacob poor and worried Hello Jacob, Because you are poor and worried the first thing you need to do is head to a parts store that will scan the car for free. I am wondering whether this problem could be related to the P0420 code. The car drives very well, there is no smell from the converter. They said could come on in 2 days or 2 months, or longer. From there use the graph as a example of what to look for. Hope that helps Justin Thanks, Justin. Mar 14, 2012 Well these are all common problems but, I have never seen them all at the same time.
Justin Hi Justin, Just found your website today, fabulous! I would very much value your input on what I should do with respect to the recommendations I am receiving. Thank you for your time. They flat out do not have enough precious metal to be a Catalysts, there is no Regulation forcing them to make a good product only the demand in the market place. Justin Hi Justin, Have a 2008 Outback 2. Thanks For Reading Justin Hello, Justin, thank you for some terrific info you have provided on this site. I would also suggest reading in your Owners Manual What Subaru states about not just the Check engine light, but about all warning indicators so you have the knowledge going forward, and know when its ok to drive and when its not ok to drive.
What, if any, additional trouble shooting should I request on the fuel pressure regulator? Typically the Catalyst and 02 sensors should be done a the same time. I may drive the car around a bit at a higher rpm, as was mentioned above. Connector terminal damaged or corroded 3. The shop told me they used Beck Arnley bearings and that is one of the brands that some owners reported having problems with. If the check engine light comes on in your Subaru there is always a corresponding code set in the computers memory. Look up the other , please use the search box.
Follow Step 11 - 8 Replace the fuel sender assembly. Here is a link to a basic code scanner you should consider purchasing if you want to be involved in some of the aspects of your car needs, any one with a 1996 and newer vehicle should own one. O2 sensors are Ok for now. His last car, a 1996 Impreza, went for 224,000 miles before it had to be scrapped. Being Memorial Day the only thing I could do myself was tighten the gas cap.
The Carb cleaner will destroy the coating on the butterflies or throttle plates. I have been now reading other posts and beginning to wonder. The fuel level sensor consists of two parts, one is mechanical float and the other side is variable resistor. Tightening the gas cap if its loose may correct the light , but more importantly why would you keep leaving the cap loose? Larry Hello Larry, Thanks for the Kind words. The sensor detects a fuel level in the fuel tank and transmits a signal to the Engine Control Module. On to the good news.
? I had to demonstrate that they should have advised me of the recall during a timing belt replacement in 2008. If you have an idea about this I would really appreciate some help Hi Justin, I would appeciate your comment on my 2010 Outback. The lights were on until the tank was about half empty and then went off. To the cause of the noise, has anyone evaluated any of the seals in the front rotating masses for dryness and noise? Look forward to hearing from you. The post-catalytic converter oxygen sensor is reading fuel system too rich, which means either the cat is no longer processing properly or you have an exhaust leak. If the Catalyst is restricted, in the way of carbon deposits, it wont reach temperature and as such wont function, it is possible in some cases to de-carbon the exhaust system, but only if that is the diagnoses.