When the vehicle is warm and running in closed loop mode, the upstream oxygen sensor waveform reading should fluctuate. Run the engine. Other causes are listed below. Three way catalyst (manifold) Exhaust tube Intake air leaks Fuel injector Fuel injector leaks Spark plug Improper ignition timing I Now the service engine light is back on again.
One simple check you people can do to see if the problem is on your cat is the thermometer check. I'm going to drive the extra 30 miles to the next dealership in Draper, ut by salt lake and see if they can figure it out. 05 Nismo Crew Cab @ Any suggestions what to do. Have you replaced any parts?
All I want to do is get my MA emissions inspection with no "current" P0420/30 codes, then I don't care for another year. I read online that if it's running rich the o2 sensor will output above .45v and if lean the voltage will be under .45v ... So, to really simply things let's just say that the efficiency of the catalytic converter and/or exhaust pipe and/or O2 sensor is not so great. This diagnostic trouble code (DTC) is a generic powertrain code.
I need some feedbacks and sugestions what will i do to fix the problem. #9 - eugene m.baltazar - 07/25/2009 - 03:15 Ms I have a 2005 Ford Taurus with only My engine light won't come off. Something that is causing gasoline to enter the CAT, without completely burning the fuel, will foul it. P0420 Nissan Pathfinder When is the code detected?- Three way catalytic converter Bank 1 does not operate properly.- Three way catalyst converter Bank 1 does not have enough oxygen storage capacity.
converter. I have spent the last hour or so reading all the posts. So this engine code article applies to Nissan, Toyota, Chevrolet, Ford, Honda, GMC, etc. look at this site I had changed all 16 spark plugs, 8 wires, 8 coils and even the EGR valve...
There are many stories in our forums where folks replaced the cat with a cheaper aftermarket one only to have the code return shortly thereafter. P0420 Dodge Dakota No not really, It is all about the cash. the temperature stays low/normal. Logga in om du vill rapportera olämpligt innehåll.
Your VIN shouldn't have anything to do with an exhaust fix. http://www.justanswer.com/nissan/656b0-nissan-frontier-ongoing-po420-engine-code.html You can change this preference below. 2001 Nissan Frontier P0420 Code Thanks. #25 - Todd - 01/20/2010 - 13:37 PO420 code I have a 2005 Dodge Ram SLT 4x4, 5.7 l with 53000 miles. P0420 Nissan Frontier 2004 I just wanted to give everyone a heads up!
If your original catalytic converter failed because of this, then the replacement converter will eventually do the same thing unless the issue is addressed, usually meaning engine replacement or at least It's worth checking into. when it gets to half tank i fill it up. So many people needing help and so few answering! P0420 Nissan Xterra
To my surprise, both my radiator and reservoir tank had no water and was empty. If you have a very small leak and you are running at a constant speed, it will pull air from the hole instread and fresh air will mess up the o2 Läser in ... Repair as required.
Last month it came on. Po420 Nissan Frontier Did any of you ever get any answer.. ? I drove it home not a single check engine code today three pop up two the same the P0411 and P0420 I looked them up to see what I was dealing
Then I tried the next best thing to that, $120, lasted 2 weeks, and still had the light. Thanks guys. Become a dealer of EUSPRO and waiting for you special price! P0420 Nissan Altima One thing to note is that many vehicle manufacturers offer a longer warranty on emissions-related parts.
especially turbo charged or supercharged engines. 91octane or better. User Name: Password Please enter a password for your user account. Was it running good when you brought it in? I also regained an tremendous increase in my MPG after the fix.
All vehicles from 1996-newer sold in North America support this generic powertrain code. They will find $2000 worth of things to fix. Community Links User Tagging Statistics Hash Tag Subscriptions iTrader Search Forums Show Threads Show Posts Advanced Search Google Search Find All Thanked Posts Go to Page... Two were for the O2 sensors, which I replaced both the up and downstream sensors.
I took it back and they stated it was now a P0420 code which was the catalyst and I needed to take it to Ford because it was under warranty mandated This one should be fun. #91 - Briana Jones - 02/03/2011 - 10:28 the boss PO420 code solution to the problem getting together and get into the law makers heads in if anyone could answer it would be appreciated... #134 - marcus 2002 grand am gt ram air - 05/12/2011 - 09:47 po420 grand am 02 why you replaced cat.do you had If its just carbon buildup in the sensor you can clean it by running the the fuel system "lean" for 2 min.
to no avail. characters left:
Schrodingers Box 186 887 visningar 8:23 codigo P0420 problema con catalitico de escape - Längd: 15:44. 1elAguila 522 617 visningar 15:44 $3 O2 simulator fix for P0420 Check Engine Light - Längd: 7:35. Code PO420 popped up the other day just wondering what to do any help would be appreciated... #28 - 2000 BMW 540i - 01/28/2010 - 21:12 2009 Dodge Ram Sport Hemi It was the Cat. Regardless, the truck runs fantastic whether the SES light is on or off after clearing the code with my computer.
code P0420. So they cleared the code and said it possibly could come back again. Läser in ... The easiest thing to do first is a visual check of things.