Ah, the P2196 code on your Ford Escape, right? That one signals an issue with the oxygen sensor on bank 1, sensor 1—specifically, it’s indicating a bias toward a lean air-fuel mixture. Now, this could stem from a few culprits: a faulty oxygen sensor, vacuum leaks, fuel system glitches, exhaust leaks, or even a wonky mass airflow sensor. We’d recommend having it checked out ASAP to ensure optimal engine performance.
It’s a common hiccup, but pinpointing the exact cause will require a thorough diagnostic. You can also learn more about diagnosing the P2196 code in this article RepairDost has written.
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