DP 4/26/2012

2005 Cadillac SRX Base 6Cyl3.6L - Engine

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Ck. light , 0430 catalyst efficincy low Bank 2. What part do I change.

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• 
  Jay Giron 4/26/2012

  Possible causes
  - Three way catalyst converter Bank 2
  - Exhaust tube
  - Intake air leaks
  - Fuel injectors may be faulty
  - Fuel injector leaks
  - Spark plugs may be faulty
  - Improper ignition timing
  - Engine Control Module (ECM)
  Tech notes
  The most common cause it the three way catalyst converter Bank 2. Changing just the O2 sensor usually don't repair the problem. If the P0430 code is combined with other codes, try fixing the other codes first.
  

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