Any information would be helpful. The running lean code could be a clue as well. When I bought this car from the original owner, my sister 2002 Legacy wagon with 150,000 miles she just had another cat replacment a her local shop. The head gasket leak on your Subaru needs to be repaired, most likely the convertor and sensors as well. Is this an indication of an oxygen sensor? The cel appeared a few days ago. Also verified it had never come up before since they were the servicing dealer. At 60,000 mile maintenance, dealer replaced valve cover gaskets and timing belt.
I have a 2008 Outback with approx. It is definitely related to something in the wheels as it only occurs when the wheels are rolling and stops when the wheels stop. Ok, in that case the problem may be the temp sensor for the computer. The first time this happened, I took it back to the shop that replaced the wheel bearings and they found that the speed sensor on one of the wheels had been damaged during wheel bearing replacement and they replaced that speed sensor. Generally these type diodes are called flywheel diodes. Clear codes using code reader and test drive. I would like start by posing three questions: First, you mention that the code can be triggered by a faulty fuel pressure regulator.
All my fuses look good. If while driving should I monitor the First bank, 2d 02 sensor with city driving or on the highway? I spent 3 hours with a shop today who specializes in exhaust systems. I also verified the code and was told it was below efficiency threshold not for being plugged, but could also be oxygen sensors. From there use the graph as a example of what to look for. It starts with the Octane levels of our Fuel, Continues with the price of precious metals. Not sure how to check the relays. Its the single most ignored code, and one the the most challenging to accurately diagnose.
Typically the Catalyst and 02 sensors should be done a the same time. Any suggestions you have would be greatly appreciated. So any advice would be much appreciated. Had it replaced, and light is out. The dealer said they do not do the efficiency test. I had to demonstrate that they should have advised me of the recall during a timing belt replacement in 2008. Diagnosis by the local dealer P0420.
Subaru just like Toyota, Chevy, Ford etc uses the minimum amount of platinum, palladium and Rhodium to get the Job done, Google or Bing any car maker with the term P0420 after it, you will see what I mean. One year life span for the aftermarket convertors is very typical and very unfortunate which is why we wont use them. On to the good news. Then again it came on. At 75,000 mile maintenance, Dealer replaced head gasket under warranty.
Any ideas on what is going on? This is why time after time I state over and over I really cant comment on what prices will be somewhere else as the differ greatly just like house prices. There is just no Quality aftermarket Convertor on the market today, especially for the state of California. You can read here for more information about how the system works, and its always a good idea to buy your own code scanner. Justin Hi Justin, I have a 2004 Legacy with the 420 code. I have an 01 Sub Legacy.
At the next stop I popped the hood and noticed a severely leaking battery. I would very much value your input on what I should do with respect to the recommendations I am receiving. The last thing you want is to replace are components that are working perfectly. 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. It also started occurring at slow speeds driving around a parking lot. To the cause of the noise, has anyone evaluated any of the seals in the front rotating masses for dryness and noise? You can clearly see the differences in the two high lighted readings, I have also made some changes in the time and division portion of the Graph to help better show the data in question. While not car-threatening, it's good to take care of this right away to improve gas mileage.
Now I need to go talk to them to see what they did. I am wondering if these contributed to the deterioration of the cats. This will also let you approximately access what a repair might cost for labor if you can see the degree of difficulty yourself. Even if its not what you want to hear. My dad recommends that I just sell the car, in fear that it may cost us much more than we bargained for.
Did the techs come up with a solid fault? The cooling fan relay 1 control circuit is responsible for controlling the low speed of these cooling fans. I love the car, but the head gaskets were leaking. Watch free live sex cam - easy as 1-2-3. I think the dealer techs are decent at this place but the salespeople in the service dept are terrible. Tuesday, I took the car on a long trip, over 300 miles and after restarting the car 100 miles into the the trip, the light was off and did not come on. What must be done next is to determine the correct answer to that question, by testing the rear o2 sensor and by performing a catalytic converter efficiency test and evaluating fuel trim. Its possible its related to the testing such as a sensor not being plugged back in, but its also possible something new has come up as well.
The industry or the market place rather does not allow for scientifically approaching the issue with a prove good or prove failed circumstance, instead its not an exact science unless you have the ability or the inclination to go one or several steps further in your diagnoses. Throwing the 420 code as well as P0335. Anything else I can do before I bring it back to the dealer? I have read that the leaking head gaskets and the additives they used to put in the oils cause the inside of the cats to deteriorate. I checked the code and it was the P0420. All you need to do is take the old one off and screw on the new one. Generally speaking , there are 2 relays that control your cooling fans, the low speed relay and the high speed relay.