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1-6 of 7 Results
  1. Range Rover Mark III / L322
    07 4.4 range rover 215k miles I've been dealing with a random p0171/p0430 And I also get a p0420 at times. Sometimes they are all together, other times only 2 of them show up together.. I've cleared them all in general about 5 times now. I just drove 100 miles before they showed up again. I...
  2. 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...
  3. 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...
  4. 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.
  5. 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
  6. 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...
1-6 of 7 Results