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Which one is my catalytic converter

Tiny
CHUYARM
  • MEMBER
  • 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 Replies

Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 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
  • 5 POSTS
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
  • MECHANIC
  • 30,869 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
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  • 5 POSTS
Thank you for your help
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Saturday, August 20th, 2011 AT 2:28 AM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
Your welcome thats what were here for.
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Saturday, August 20th, 2011 AT 3:35 AM

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