2007 chevy silverado 6 cyl o2 sensor on cat converter replaced still reads 0 service said maybe computer our wire

Asked by Apr 02, 2017 at 11:14 PM about the 2007 Chevrolet Silverado 1500 Work Truck 4WD

Question type: General

1 Answer

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If you're not getting any signal from the downstream oxygen sensor and you've replaced it the problem is most likely with the wiring going to the sensor. However if you keep getting a "catalyst below minimum efficiency" trouble code it's the catalytic converter. HTH. -Jim

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