Product Information

Mass air flow sensors are tasked with measuring the amount of air entering the engine via the intake. This mass air flow sensor is known as a hot film sensor which will suffer performance deterioration over time. The sensor is designed to be self cleaning. A faulty or non functioning mass air flow sensor will cause a check engine light and in some cases cause a limp mode. The best way to diagnose a faulty mass air flow sensor is to disconnect it and see if engine idle or performance improves.

• Check engine light illumniated with OBD codes related to MAF sensor faults
• Engine has rough idle and/or stalls
• Short term fuel trim is rich at idle or lean under load
• Constantly runs rich or lean

About Hitachi

As a Tier 1 supplier to some of the world’s greatest automotive brands, Hitachi provides a range of electromechanical and electronic auto parts for OEMs (Original Equipment Manufacturer), and they manufacture their aftermarket parts to OEM specifications as well. Hitachi manufactures its products in three ISO/TS 16949 certified plants in the United States.

Drive control systems, rotating electrical components, Tokico branded performance shocks, and engine management systems are among the items that Hitachi manufactures to OEM specifications. Since Hitachi manufactures many of the same items for the OEMs, you can be certain of the quality, fit and performance when you buy Hitachi aftermarket products.

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