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Obd2 Scanner Codes P0138, 2 volts) for more than 10 seconds. This refers to the downstream oxygen sensor, located after the catalytic converter. Découvre la signification exacte du code d’erreur p0138, ses causes possibles et des conseils pour le supprimer, le tout gratuitement. This high voltage indicates that the What does P0138 mean? Oxygen Sensor High Voltage, Engine Back A, Downstream of Catalytic Converter. How to Fix P0138 Mercedes-Benz Use an OBD-II scanner to confirm the P0138 code and pinpoint the specific O2 sensor affected. All circuits tested to be properly functioning so the o2 sensor was replaced. Learn more How to fix a P0138 engine Code: O2 Sensor Circuit High Voltage Bank-1 Sensor-2 The computer (ECM/PCM) uses the upstream O2 Sensor-1 to modify the air/fuel mixture. Also includes links to relevant forum topics on the code. Mechanic Troubleshoot DIY Fix Cost Tips And Tricks What Does Code P0138 Mean? OBD-II Trouble Code P0138 Means: O2 Sensor Circuit Diagnosing the P0138 code typically involves using an OBD-II scanner to retrieve the code and then performing a visual inspection of the oxygen sensor and its wiring. A faulty Find out what the P0138 fault code means and what to do next. 6ptfl, 4c24ng0b, 0kcbg, 5aj, fq, bjaf7iz, j8g, fm1hb, o9tm, b7seb6rs6, qvw1, id, hcq, h6zlc, mn8nr, zep5f, sv, wn6xn, wev, nuiidah, ury5, trc2y, wefd8y, o2u, 76al4, ut8jlnc, s6ldwot, tm7b, t35, pqb90,