Car Questions
RepairPal is your advocate for car care advice and guidance

Code p0430

(2003 Lexus IS300)
in Bakersfield, CA on September 24, 2011
which one is bank 2 saying to replace o2 sensor or refering to cat conventor check for exhaust leak none found thank you
Displaying 2 answers & 1 comments
Popular Answer
on September 24, 2011
no, the code does not mean that at all.
it is a efficiency code for the cat. you most likely need a cat for bank 2 which is the front bank.

get a real shop to confirm it for you.

on October 11, 2012
I have 2003 is300. the light "check" is on and "trk off" is blincking. Testing showed P0430 code. As I live in Turkmenistan it's problem to find the new suitible cat for my car. Are there any other ways to fix it?
on April 20, 2013
were you able to fix your car, how did you fix it?
RepairPal estimates are guaranteed at over 2,000 quality certified locations nationwide. Learn more

Similar Questions

View answers to similar questions from RepairPal's community of auto experts and enthusiasts.
The only way it will start is if you hold the gas all the way down & then it dies. I have replaced the camshaft senso...
I have changed out bottom O2 sensors mass air flow sensor and throttle position sensor. It still almost stalls when a...
Didn't find what you were looking for?