Standard Ignition AS638 Manifold Absolute Pressure Sensor

Reliable Manifold Absolute Pressure Sensor for Ford and Lincoln Vehicles

The Standard Ignition AS638 Manifold Absolute Pressure (MAP) Sensor is designed to provide accurate pressure readings for optimal engine performance. Compatible with various Ford and Lincoln models, this sensor ensures precise air intake measurements to support efficient fuel management.

• Connector Gender: Female for secure and proper connection
• Single Connector Quantity with a plug-in type for straightforward installation
• Terminal Gender: Male with 4 blade terminals for reliable electrical contact
• Designed specifically for Ford and Lincoln vehicles including Explorer, F-150, Taurus, Continental, and Transit series
• Part Number AS638 ensures exact fit and function

Product Details and Specifications

The AS638 MAP sensor from Standard Ignition features a female connector designed to plug directly into the vehicle’s wiring harness, simplifying installation and reducing the risk of connection errors. It includes one connector with four male blade terminals, providing a stable and durable electrical interface. This sensor measures the absolute pressure inside the intake manifold, which is critical for the engine control unit (ECU) to calculate air density and adjust fuel injection accordingly.

Compatible with Ford and Lincoln models such as the Ford Explorer, F-150, Taurus, Transit (including Transit-150, Transit-250, Transit-350, Transit-350 HD, and Transit Connect), and the Lincoln Continental, this sensor meets OEM specifications for fit and performance. The part number AS638 ensures you receive the correct component for these vehicles.

Common Applications and Problem Resolution

• Helps resolve engine stalling or rough idling caused by inaccurate manifold pressure readings
• Addresses poor fuel economy due to incorrect air-fuel mixture adjustments
• Fixes check engine light issues related to MAP sensor faults
• Improves engine acceleration and throttle response by providing accurate pressure data
• Prevents drivability problems linked to faulty sensor signals

Installation Notes and Tips

When installing the Standard Ignition AS638 MAP sensor, ensure the female plug-in connector is securely attached to the vehicle’s wiring harness. Verify that the four male blade terminals are clean and free of corrosion to maintain optimal electrical contact. It is recommended to disconnect the battery before installation to avoid electrical shorts. Properly seat the sensor in the intake manifold to prevent vacuum leaks that could affect sensor readings.

Quality Assurance and Warranty

Standard Ignition manufactures the AS638 MAP sensor to meet or exceed OEM standards for durability and performance. While specific warranty details are not provided here, Standard Ignition products typically come with a limited warranty covering defects in materials and workmanship. Using this sensor helps maintain the integrity of your vehicle’s emission control system and engine management.