This Nissan Maxima 3.0 v6 has me puzzled. It runs rich at idle then stalls. No codes set, no MIL. Idle CO is 6.52 after the cat, way too high. The O2s are reporting rich mixture, but fuel trims are high [2001 Nissan Maxima, Fuel Supply Scandata] and adding mor... Login to read more.

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