P0430 lexus is300. What is this code and any ideas how to fix? For now i.


P0430 lexus is300. Catalyst Eff. Also your gas mileage might go down and you car will be loosing power. Sound like this man needs a header!!! Sep 10, 2007 · BTW p0430 and p0420 codes mean. Now i wonder if a new catalytic converter is needed. below threshold ANy help would be helpful. Feb 8, 2012 · I posted in january that I had a trouble code 1349 along with trouble codes p0440 and p0430 and misfires in all cylinders. Not sure why. I replaced the Charcoal Canister valve and P0446 went away and came back again. Feb 15, 2009 · * Bank 1 refers to bank that includes cylinder No. We thought it was the Catalytic so replaced it but after 300 miles or so same code came back on. test and it gave me a reading. 2nd digit which is 0 means a generic code (meaning not manufacturer specific), the 3rd is some sort of emission control problem (possibly the cat but not definite), and the last two are specific to your car's systems. What code would I get if the one by the airbox was not working correctly? P0442 is the only code that stays on permenent now for 10k miles while the other 2 turn on and off all the time. I've already run an entire tank of gas through it and checked my gas cap for tightness and whatnot. It covers the P0430 code’s meaning, symptoms, causes, and possible solutions. 1 * Sensor 1 refers to the closer sensor to the engine body * Sensor 2 refers to the farther sensor away from the engine body This is an extract of a repair manual for 2002 Lexus IS300 (RM869U) so it's reliable information. We can replace them for $3000 and we'll happily waive the $100 diagnostic fee. Eventually I took the car into an exhaust shop and had them look at the car: they told me that the B2S2 O2 sensor was reading properly and there were Jan 30, 2017 · Code P0430 By Boddney January 30, 2017 in Lexus GS 300 / Lexus GS 250 / Lexus GS 430 / Lexus GS 450h / Lexus GS 460 Club Share Followers 0 Nov 29, 2007 · Hi, I'm have a problem with my IS 300, I took it to Advance Auto Parts and did a DIAG. Mar 28, 2007 · I pulled the code on my IS300 and it was P0442, small emissions leak. Dec 22, 2018 · While driving on the motorway today my check engine light came on. 01/02-P0430 02/02-P0430 So its 2 of the same codes. I got my scanner and got a P0430 code. I had the code read and it came back as P0430. It gave me the following 2 codes. From my readings and research, this is the understanding that I have of what I need to do. Aug 27, 2022 · Repair Information for P0430 Lexus code. I have new Air/Fuel Oxygen sensors and have had them in the car for nearly a year now. :suspiciou ? Jun 18, 2013 · Started getting a CEL back in April. CEL light turned on / off a few times over the next few weeks. Nov 13, 2005 · The code reads: P0430- Catalyst System Efficiency Below Threshold (Bank 2) Using a simulator will do the job of removing the cel, but I bet your car will eventually (if not already) run a little like crap (just sometimes). Sep 7, 2024 · The P0430 code for a Lexus indicates that the Catalyst System Efficiency for Bank 2 is below the specified threshold. Thank you Apr 23, 2011 · Anyways, I've got P0442, P0446, and P0430. This code is specifically related to the catalytic converter in the exhaust system of the vehicle. Scanned the code and it reads: P0420 - Catalyst System Efficiency Below Threshold Bank 1. 1 * Bank 2 refers to bank that does not include cylinder No. What else could it be? It runs fine, no troubles. What is this code and any ideas how to fix? For now i. Mar 17, 2019 · This page is meant to help you troubleshoot the Lexus IS 300 P0430 trouble code. Aug 6, 2009 · My 01 IS300 CEL came on couple of weeks ago code P0430 Catalyst Eff. 1st digit = Powertrain problem. Any help would be Sep 24, 2011 · Explore solutions for Code P0430 in your 2003 Lexus IS300, covering exhaust system issues, O2 sensor replacements, and catalytic converter checks on RepairPal. below threshold Bank 2. I have had the trouble codes p0440 and p0430 for awhile but the car ran fine and a few mechanics were not able to pinpoint the problem. Mar 3, 2010 · Maybe it's worth forking over $100 to have a Lexus dealer diagnose it properly? Would they diagnose it properly or just tell me what I already know? Well, sir, it appears that the computer is telling us your primary cats are bad. When the trouble code 1349 popped up a Oct 15, 2013 · The dreaded check engine light has came on after 11 years of owning this baby. We install an O2 sensor spacer to turn off check engine light for codes P0420 or P0430, Catalyst System Efficiency Below Threshold. Learn what Catalyst System Efficiency Below Threshold Bank 2 means, location and how to repair. P0420 P0430 P0420P/D Bank 1 and Bank 2. Jun 9, 2011 · Hi, I have had a P0430 for over a year and I have finally gathered the testicular fortitude (and money) to tackle this issue for once and for all. um4bk yln6d td2jmlu ju scbti mwa1dsg te9 tgnc1y st tuuc