Premium Lambda Sensor for Toyota Exhaust Management

Keep your Toyota running clean and efficient with this OEM‑grade oxygen probe. Installed in the exhaust stream, it reads leftover oxygen and sends a rapid signal to the ECU. The ECU trims fuel on the fly, keeping the air‑fuel ratio near ideal for smooth idle, strong torque, and low emissions ♻️.

Why this part is needed

Precise feedback lets the engine maintain closed‑loop control. That means better fuel economy, stable performance, and longer catalytic converter life. It also helps your vehicle pass inspection and keeps the dashboard free of warning lights.

How it works

The sensing element generates a voltage that changes with oxygen content. When the mix is rich, voltage rises; when lean, it falls. The ECU uses these swings to adjust injector pulse width many times per second, maintaining stoichiometry.

What happens if it fails ⚠️

Expect higher fuel use, rough idle, hesitation, black soot, sulfur smell, overheated catalyst, and an illuminated Check Engine (common codes P0130–P0167). Emissions and power suffer.

Tech tips ✅

Install on a cold exhaust, use correct thread anti‑seize (no sensor tip contamination),torque to spec, route harness away from heat, warm up and clear trims with a scan tool after fitting .

Compatibility

• Coaster