Standard Ignition AS177 Manifold Absolute Pressure Sensor

Overview of Standard Ignition AS177 Manifold Absolute Pressure Sensor

The Standard Ignition AS177 Manifold Absolute Pressure Sensor is designed specifically for Toyota Prius models. This sensor plays a critical role in monitoring the intake manifold pressure to ensure optimal engine performance and emissions control.

• Compatible with Toyota Prius vehicles
• Accurate manifold pressure readings for engine management
• Direct replacement for original equipment sensors
• Durable construction for reliable operation
• Part number AS177 for precise identification

Detailed Product Description

The AS177 Manifold Absolute Pressure Sensor from Standard Ignition is engineered to provide precise pressure data from the intake manifold to the engine control unit (ECU). This information is essential for calculating air density and determining the engine's air-fuel mixture. Proper sensor function helps maintain efficient combustion and reduces harmful emissions. Designed to meet or exceed OEM specifications, this sensor ensures consistent performance and compatibility with Toyota Prius models.

Common Applications and Problem Resolution

This sensor is used in the emission control system of Toyota Prius vehicles to monitor manifold pressure. It helps address several engine and emission-related issues, including:

• Erratic engine idling or stalling
• Poor fuel economy due to incorrect air-fuel mixture
• Check Engine Light triggered by faulty sensor readings
• Reduced engine power or hesitation during acceleration
• Failed emissions tests related to sensor malfunction

Installation Notes and Tips

When installing the Standard Ignition AS177 sensor, ensure the engine is cool and the ignition is off. Disconnect the battery before removal to prevent electrical shorts. Carefully unplug the old sensor and avoid damaging the wiring harness. Install the new sensor securely and verify all connections. After installation, clear any diagnostic trouble codes and perform a test drive to confirm proper operation.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet strict quality standards, ensuring reliable performance and durability. The AS177 Manifold Absolute Pressure Sensor undergoes rigorous testing to comply with OEM requirements. This part typically includes a limited warranty covering defects in materials and workmanship, providing confidence in its long-term use on Toyota Prius vehicles.