Manual:HUMMER Hummer H3 Base 2010Page:20884 / 37523



Conditions for Setting the DTC: P2271 — 2010 Hummer H3 Base, Automatic Service Manual

Conditions for Setting the DTC: P2271

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The ECM does not detect an HO2S voltage less than 150 mV before accumulated mass air flow exceeds 550 grams.