P0139
Causes of a Hyundai P0139 Code: O2 Sensor Circuit Slow Response (Bank 1 Sensor 2).
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I am NOT a mechanic, but I wanted to post this because I couldn’t find a video with instructions for replacement. Also, Autozone sells the O2 sensor for $192…
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I am NOT a mechanic, but I wanted to post this because I couldn’t find a video with instructions for replacement. Also, Autozone sells the O2 sensor for $192…
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Diagnostic procedures for an illuminated check engine light with codes P0138 and P0139 on a 2001 Mercury Villager 3.3L. The rear O2 sensor and all engine tun…
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