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Hummer H2 For those who like a little more gleam to their Hummer, the H2 offers a similar rugged look as the H1, but as a lower cost, and with more added features, making it almost a massive luxury SUV.

Catalyst Problem? What do i do?

   
Old Feb 3, 2022 | 04:17 PM
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Default Catalyst Problem? What do i do?
What do you guys suggest?
 
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Old Feb 3, 2022 | 04:51 PM
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PIP5232C
 
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Old Feb 4, 2022 | 08:29 PM
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Mine had the same, Replaced all O2 sensors, then replaced the bad Cat with a Magnaflow weld in. has been great since.
 
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Old Feb 4, 2022 | 09:40 PM
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How much was all it? Possible to do by yourself?
 
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Old Feb 5, 2022 | 12:52 AM
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Originally Posted by flashinq
How much was all it? Possible to do by yourself?
little less that 500 for OEM 02 sensors, One Magnaflow Cat and exhaust pipe reducers. yes installed and welded everything myself.

 
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Old Mar 6, 2022 | 07:51 PM
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I haven’t fixed the catalyst problem in over a year is there any huge problem i may face if i wait any longer?
 
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