WHICH ONE IS MY CATALYTIC CONVERTER

  • Tiny
  • chuyarm
  • 2006 Hummer H3
  • 5 CYL
  • 4WD
  • automatic

I need my catalytic converter replaced but they show two converters 1 is a manifold and 2nd one is a rear converter which one is the right one

Saturday, August 20th, 2011 AT 1:45 AM

5 Answers

  • Tiny
  • saturntech9
  • Expert
  • 28,243 posts

What are you trying to ask?The one on the manifold is your pre or pup cat. Which one is bad?

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Saturday, August 20th, 2011 AT 1:47 AM
  • Tiny
  • chuyarm
  • Member

Gm dealer scanned car and got p0420 code catalyst low efficiency bank 1 recommended converter replacement so I dont really know which one to replace

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Saturday, August 20th, 2011 AT 2:06 AM
  • Tiny
  • saturntech9
  • Expert
  • 28,243 posts

That would be the rear cat not the manifold one.

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Saturday, August 20th, 2011 AT 2:15 AM
  • Tiny
  • chuyarm
  • Member

Thank you for your help

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Saturday, August 20th, 2011 AT 2:28 AM
  • Tiny
  • saturntech9
  • Expert
  • 28,243 posts

Your welcome thats what were here for.

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Saturday, August 20th, 2011 AT 3:35 AM

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