Genuine Infiniti QX55 MAP Sensor

The ECU of the Infiniti QX55 MAP Sensor receives precise manifold pressure for a rapid delivery of power. Because the MAP Sensor measures absolute pressure rather than relative, its readings are consistent from seaside highways to mountain passes. By combining this signal with engine speed, the MAP Sensor enables the ECU to accurately calculate air density and finely tune fuel and spark settings. Every Infiniti QX55 employs this MAP Sensor that works with the intake air temperature circuit to convert pressure into an accurate figure for air mass. Each QX55 trim level is rugged the same. This component is consistent across the wider brand family. The MAP Sensor also validates exhaust gas recirculation flow for Infiniti engines to keep emissions within legal limits. Its lightning-fast circuitry improves turbo spool on a forced-induction Infiniti while naturally aspirated versions of the QX55 gain cleaner throttle feel and better mileage. The MAP Sensor has a sealed electronic device, lightweight body, and tight OE-style connector, making it resistant to vibration, heat, and humidity for years. One of the MAP Sensor features is a broad sensing range, which allows it to read deep vacuum at idle and positive pressure under boost with no gaps. The MAP Sensor is tuned specifically to provide the Infiniti QX55 with a stronger mid-range punch, smoother cold starts, and steady cruise economy. This reliable performance keeps the Infiniti ownership experience worry-free and maintains the market value of any QX55 on the road. Through smart integration with the vehicle computer, the part contains fewer parts, a reduced diagnostic process, and offers the driver peace of mind for long-term performance.

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