Description 2001 – 2004.5 6.6L GM Duramax LB7 OEM New Fuel Pressure Sensor OEM # F 00R 004 272 / 0 281 002 398 / 97329566 Fuel Pressure Sensor effectively measures fuel pressure in the fuel rail, alerting both the EVAP system and the fuel system to leaks. Stops and prevents rough idling Replacement shuts off the “check engine” light Restores fuel efficiency Updated Direct Replacement – Appearance has changed. Original Fitment and Function.
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