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H-Man · 09-28-2013, 09:21 PM

I need a new oxygen sensor for my 1994 geo prizm. Any brands to avoid?
I failed smog because the car was running rich at 71 ppm HC (40 max,) with 0% Oxygen, .27% CO, and 33 ppm Nitrogen oxides.

09-28-2013, 09:21 PM	#1 (permalink)
H-Man The brake pedal is evil Join Date: Jan 2013 Location: Arizona Posts: 401 Denny's Detector - '08 Mercury Grand Marquis Taserface - '17 Chevy Volt Thanks: 5 Thanked 57 Times in 52 Posts	Need a new oxygen sensor, failed smog. I need a new oxygen sensor for my 1994 geo prizm. Any brands to avoid? I failed smog because the car was running rich at 71 ppm HC (40 max,) with 0% Oxygen, .27% CO, and 33 ppm Nitrogen oxides. __________________ Getting sensor data off of a pre OBDII Toyota ECU via TDCL. All of this is on E10: Project E is my current focus. Last edited by H-Man; 09-28-2013 at 09:58 PM..