Uploaded January 2026 | Updated September 2026, 3 weeks ago
This O2 heater circuit just pulled a massive amount of current.
That shouldn’t happen — and it’s dangerous for ECU drivers.
This O2 heater circuit just pulled a massive amount of current.
That shouldn’t happen — and it’s dangerous for ECU drivers.
![Coil vs. Plug: What Failed? [Proven Diagnostic Test]](https://i.ytimg.com/vi/uAIRx1Qx5ag/mqdefault.jpg "Coil vs. Plug: What Failed? [Proven Diagnostic Test]
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