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Home >> Saturn >> 2006 >> Ion Red Line >> Repair and Diagnosis >> External Pages >> Different car >> Section 251 (Engine Controls - 2.2L - DTC P0136 To DTC P0442) >> DTC P0420 >> DTC Descriptor

DTC Descriptor

WARNING: This page is about a different car, the 2006 Saturn Ion 3 and 2006 Saturn Ion 2. However, it is still accessible from the selected car via links, so may be relevant.
DTC P0420

Catalyst System Low Efficiency

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