Dorman 904-7488 Manifold Absolute Pressure Sensor

Overview of Dorman Manifold Absolute Pressure Sensor 904-7488

The Dorman 904-7488 Manifold Absolute Pressure (MAP) Sensor is designed to provide accurate pressure readings for optimal engine performance. Featuring a durable brass body and a black bullet-type connector, this sensor is engineered for reliable emission control in various vehicle applications.

• Connector color: Black with a round shape for secure connection
• Connector type: Bullet style with male and female terminals
• Terminal quantity: 3 terminals ensuring precise signal transmission
• Fitting type: Threaded (roscado) for easy installation
• Body material: Brass for enhanced durability and corrosion resistance
• Single port design for manifold pressure measurement
• Package includes one sensor without wire harness

Detailed Product Description

The Dorman 904-7488 MAP sensor is a critical component in the emission control system, responsible for measuring the absolute pressure inside the intake manifold. Its brass body construction offers long-lasting performance under harsh engine conditions. The sensor’s bullet-type connector with three terminals ensures a secure and stable electrical connection, minimizing signal loss. The black, round connector is designed to fit specific vehicle harnesses, providing compatibility with various makes and models. The threaded fitting allows for straightforward installation and replacement without the need for additional adapters.

Common Applications and Issues Addressed

• Helps resolve engine stalling or rough idling caused by incorrect manifold pressure readings
• Improves fuel efficiency by providing accurate data to the engine control unit (ECU)
• Reduces emissions by ensuring proper air-fuel mixture adjustments
• Prevents check engine light triggers related to MAP sensor faults
• Supports stable engine performance during acceleration and load changes

Installation Notes and Tips

When installing the Dorman 904-7488 MAP sensor, ensure the threaded fitting is securely tightened to prevent vacuum leaks. Verify the connector is fully seated and locked to avoid intermittent electrical issues. Since the sensor does not include a wire harness, confirm compatibility with your vehicle’s existing wiring before installation. It is recommended to inspect the intake manifold port for debris or damage prior to sensor installation.

Quality Assurance and Warranty

Dorman manufactures the 904-7488 MAP sensor to meet or exceed OEM specifications, ensuring reliable performance and durability. The brass body construction provides resistance to corrosion and wear. While specific warranty details are not provided, Dorman products typically come with a limited warranty covering defects in materials and workmanship.