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p0430

  1. P0430 code but no CEL?

    Range Rover Sport / L320
    So several months ago I had the CEL & P0430 catalytic converter bank 2 code. After a few months I changed the spark plugs (I was at 145k & knew I was overdue for a while) and after a few days the CEL went out by itself. This was about 1 month ago. It's time to renew the inspection, so just to...
  2. Check Engine / DTC P0430 - 2008 RRS SC

    Range Rover Sport / L320
    Greetings All, Unfortunately I just had my CEL come on. When I read the code with my code reader(its an Actron CP9580A), it get a P0430 "Catalyst System Efficiency Below Threshold Bank 2". I was not sure if my code reader was 100% on imports like RR's because it does not say it is on their...
  3. P0420 & P0430 Catalytic Converters

    Range Rover Mark III / L322
    My 2008 Range Rover HSE is throwing codes P0420 and P0430. It appears that I may need to replace the catalytic converters. Has anyone used the Magna Flow universal high flow catalytic converters. This is a more cost efficient option than the dealers $3,000 quote.
  4. P0430 code , CEL on. 09 RRS S/C

    Range Rover Sport / L320
    "Catalyst System Efficiency Below Threshold (Bank 2)" Hello, I have cleared this code twice, but it came back again today. Has anyone any experience with this? TIA
  5. Check Engine P0430 Code

    Range Rover Sport / L320
    Hi All, Has anyone experienced P0430 code before? The code seems to indicate cat efficiecy low bank 2 and could indicate bad o2 or even cats. I have 35k miles on the car so I didn't think I would have to replace cats this soon. Any thoughts? For grins, I added techron fuel injector...
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