Usage Tips: 90-degree angle emulator lambda probe with catalytic converter for cars with exhaust gas engines. Compatible with EURO3, EURO4, and EURO5 systems. This emulator features an internal catalyst. If the catalytic converter is removed, damaged, or replaced with a straight pipe, the engine may enter emergency mode, resulting in reduced power and a "CHECK ENGINE" warning light. Installing a lambda sensor emulator helps prevent these issues. The catalytic converter can reduce engine power by 2–3%, and up to 5% at maximum RPM. Removing the original catalytic converter and installing this emulator offers a cost-effective way to restore power. This second lambda probe emulator is also suitable for vehicles with LPG installations. In LPG-equipped vehicles, a rich fuel mixture can trigger the "CHECK ENGINE" light. Installing the emulator helps avoid this error. Installation is straightforward: remove the original lambda sensor, screw in the emulator, then reinstall the sensor onto the emulator. Characteristics: - Thread: Standard M18x1.5 (fits 99% of vehicles) - Length: 61mm - Includes mini catalytic converter for EURO 3, EURO 4, and EURO 5 vehicles - 90-degree angle design - Ideal for exhaust system repairs - Made from stainless steel - Precision manufacturing using modern CNC machinery ensures high accuracy and consistency - Smooth sanded surface for reliable sealing