Standard Ignition FPS78 Fuel Pressure Sensor

Reliable Fuel Pressure Sensor for Infiniti and Nissan Vehicles

The Standard Ignition FPS78 fuel pressure sensor is designed to provide accurate fuel pressure readings for a range of Infiniti and Nissan models. This sensor helps maintain optimal engine performance by ensuring the fuel system operates within specified parameters.

• Compatible with Infiniti Armada, Juke, M37, M56, Q70, QX56, QX80
• Fits Nissan TITAN, NV1500, NV2500, NV3500 models
• Measures fuel pressure to support engine control systems
• Direct replacement for OEM fuel pressure sensors
• Part number FPS78 for precise identification and fitment

Product Details and Functionality

The Standard Ignition FPS78 fuel pressure sensor monitors the pressure of fuel within the fuel rail and sends this data to the vehicle’s engine control unit (ECU). Accurate fuel pressure readings are critical for proper fuel injection timing and volume, which directly affect engine efficiency and emissions. This sensor is engineered to meet or exceed OEM specifications, ensuring reliable performance in Infiniti and Nissan vehicles such as the Armada, Juke, M37, M56, Q70, QX56, QX80, TITAN, and NV series trucks.

Common Applications and Problem Resolution

• Helps resolve engine stalling or hesitation caused by incorrect fuel pressure
• Addresses poor fuel economy related to faulty pressure readings
• Prevents check engine light triggers linked to fuel system errors
• Improves drivability issues such as rough idling or acceleration lag
• Supports emission control by maintaining proper fuel delivery

Installation Notes and Tips

Installation of the Standard Ignition FPS78 fuel pressure sensor requires basic mechanical skills and proper safety precautions. Before installation, relieve fuel system pressure to avoid fuel spray. Disconnect the battery and remove the old sensor carefully to prevent damage to the fuel rail or connectors. Ensure the new sensor is securely installed and electrical connections are properly seated. After installation, clear any diagnostic trouble codes and verify sensor operation with a scan tool.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet strict quality standards and undergo rigorous testing to ensure durability and performance. The FPS78 fuel pressure sensor is backed by a limited warranty that covers defects in materials and workmanship, providing confidence in its reliability for Infiniti and Nissan fuel system applications.