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Re: OBD2: What's wrong with this picture?
Posted to Emissions Forum on 6/24/2004 1 Reply

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1. Right-side Rear O2S = 1/2 2. P0140 = O2 Sensor 1/2 stays at center 3. P0154 = O2 Sensor 2/1 stays at center 4. P0157 = O2 Sensor 2/2 short to ground 5. C21 (MIL code 21) Covers all O2S & Cat monito... Login to read more.

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