twoblackstripes
twoblackstripes
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the pcm uses the rear o2 to "see" if the catalytic converter is working. if there is no converter, then both signals from the front and rear would be the same. by using a spark plug defouler that fits the o2 sensor and isolates it from …
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the pcm uses the rear o2 to "see" if the catalytic converter is working. if there is no converter, then both signals from the front and rear would be the same. by using a spark plug defouler that fits the o2 sensor and isolates it from …