Standard Ignition AS498 Manifold Absolute Pressure Sensor

Overview of Standard Ignition AS498 Manifold Absolute Pressure Sensor

The Standard Ignition AS498 Manifold Absolute Pressure (MAP) Sensor is designed to provide accurate pressure readings essential for engine performance and emission control. This sensor features a female rectangular plug-in connector and includes an o-ring for a secure seal.

• Connector Gender: Female
• Connector Type: Plug in with rectangular shape
• Color/Finish: Black
• Terminal Type: 4 male pins
• Vacuum Port Quantity: 1
• Includes O-ring for proper sealing
• No hardware or mounting brackets included

Detailed Product Description

The Standard Ignition AS498 MAP Sensor is engineered to monitor the absolute pressure inside the intake manifold, providing critical data to the engine control unit (ECU). This data helps optimize air-fuel mixture and ignition timing, which is vital for maintaining engine efficiency and reducing emissions. The sensor’s black finish and durable construction ensure reliable operation under various engine conditions. Featuring a single female rectangular plug-in connector with four male pin terminals, it offers straightforward electrical connections. The included o-ring helps prevent vacuum leaks, ensuring accurate pressure readings.

Common Applications and Issues Addressed

• Helps resolve rough idling caused by incorrect manifold pressure readings
• Addresses poor fuel economy due to inaccurate air-fuel mixture data
• Prevents engine stalling related to faulty MAP sensor signals
• Reduces emission control system errors and check engine light triggers
• Improves overall engine performance and drivability

Installation Notes and Tips

Installation of the Standard Ignition AS498 sensor requires careful handling to avoid damage to the connector pins. Ensure the o-ring is properly seated to prevent vacuum leaks. This sensor does not include mounting hardware or brackets, so reuse existing components or acquire compatible mounting parts. Disconnect the battery before installation to avoid electrical shorts. Verify connector alignment before plugging in to avoid bent pins.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The AS498 MAP sensor undergoes rigorous testing to confirm accurate pressure readings and electrical integrity. While specific warranty details vary, Standard Ignition typically offers a limited warranty covering defects in materials and workmanship.