Performance - MK2 Focus All Models

AIRTEC Motorsport MIL light cheater. If you fit a de-cat or high flow sports catalyst to your car, you could run the risk of having an engine light turn on. This is usually due to the fact that the sensor is reading the added exhaust gas flow and it could identify this as a fault. This lambda sensor extension may solve this problem easily, however we do recommend a re-map to ensure the issue is resolved.

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