B20db-54 __link__ - Nissan

: Double Overhead Cam (DOHC) with 16 valves for precise timing and better airflow.

: These codes are primarily associated with the Battery Current and Temperature Sensor . This sensor is located on the negative battery terminal and tells the car how much electricity is flowing and how hot the battery is getting. Nissan B20db-54

The is a 2.0-liter, inline-four engine. This powerhouse produces 143 horsepower and 132 lb-ft of torque, making it a versatile choice for highway cruising and more demanding driving. Engine Specifications and Performance : Double Overhead Cam (DOHC) with 16 valves