The Denso 197-6034 Mass Airflow Sensor provides accurate intake air measurement for Nissan’s 2.5L QR25DE engine, critical for proper fuel mixture calculation. As the OE supplier to Nissan, Denso engineers this sensor for precise calibration, resolving rough idle, hesitation, and poor fuel economy caused by sensor drift or contamination.
Key Features:
– OE Denso quality, matches factory calibration
– Resolves rough idle and hesitation symptoms
– Improves fuel economy by restoring accurate air measurement
– Direct plug-and-play installation
– No additional programming required



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