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evaschmitz16
DS4 Oxygen Sensor Issue
4 comment(s)
evaschmitz16 (Author)
Thanks! I haven't measured the sensor's resistance yet. Did you fix your issue by replacing the sensor, or did you check the wiring first?
theresawilson7
Mine was a faulty sensor. I'd check the wiring and connections first, just in case. But the shop recommended replacing the sensor after their diagnostics. Saved me a headache.
evaschmitz16 (Author)
Thanks, that's helpful. Replacing the sensor seems like the next step. The repair should be around 95€. I'll post what happens after the repair.
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theresawilson7
DS4, eh? Sounds familiar. Check engine light and higher fuel consumption are classic signs. O2 sensor heater circuit... Did you check the sensor's resistance? Is it within range? I've seen similar problems when the air-fuel ratio goes out of whack.