Subaru Manifold Pressure Sensor (MAP) - STI MY08+ 99071AB740 Even unmodified vehicles can benefit

Even unmodified vehicles can benefit from fuel octane specific tuning

Manufacturer Part No: ST20254ZR060

Provides vehicle speed signal to ECU and instrument cluster speedometer

A black anodized machine aluminum trim ring

Subaru Manifold Pressure Sensor (MAP) - STI MY08+ 99071AB740 Even unmodified vehicles can benefitManifold absolute pressure sensor (MAP sensor) is located on the throttle body and measures intake manifold pressure as an input to the ECU. Used for boost control, fueling & ignition timing, etc. A faulty MAP sensor can cause rough running conditions or stalling as well as boost control issues and may set a fault code. It is not uncommon for the sensor to get plugged with carbon debris from engine blow by. Manufacturer Part No.: 22627AA490 What it