WHICH ONE IS MY CATALYTIC CONVERTER

2006 Hummer H3

Tiny

chuyarm

August, 20, 2011 AT 1:45 AM

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

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5 Answers

Tiny

saturntech9

August, 20, 2011 AT 1:47 AM

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

Tiny

chuyarm

August, 20, 2011 AT 2:06 AM

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

Tiny

saturntech9

August, 20, 2011 AT 2:15 AM

That would be the rear cat not the manifold one.

Tiny

chuyarm

August, 20, 2011 AT 2:28 AM

Thank you for your help

Tiny

saturntech9

August, 20, 2011 AT 3:35 AM

Your welcome thats what were here for.

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