Why only one cat?

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Why only one cat?

Posted to Technical Discussion Forum on 8/3/2011 9 Replies

I have this vehicle in the shop that is fixed but I have a few questions before I deliver it.

It came in with a CEL on and a No power complaint. The diagnosis was real easy since it had misfire codes for ALL the cylinders in bank 2, Cat code and Airflow sens... Login to read more.

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Vehicle Data

2003 Hummer H2 6.0L

VIN	5GRGN23UX3
Engine	6.0 L
Trans	4-speed Automatic (Electronic)

Vehicle Data

2003 Hummer H2 6.0L

VIN	5GRGN23UX3
Engine	6.0 L
Trans	4-speed Automatic (Electronic)

9 Replies Received (View Replies)

9 Replies Received (Hide Replies)

Vehicle Data

2003 Hummer H2 6.0L

Vehicle Data

2003 Hummer H2 6.0L