Beck Arnley 158-1049 Throttle Position Sensor

Reliable Throttle Position Sensor for Select Toyota and Chevrolet Models

The Beck Arnley 158-1049 throttle position sensor is designed to provide accurate throttle position readings for improved engine performance. Compatible with various Toyota and Chevrolet vehicles, this sensor helps maintain optimal fuel delivery and engine response.

• Compatible with Toyota Celica, Corolla, Echo, Matrix, MR2 Spyder, Paseo, Prizm, RAV4, Tercel, Vibe, xA, xB and Chevrolet models
• Part number 158-1049 ensures precise fit and function
• Monitors throttle position to optimize engine control systems
• Manufactured by Beck Arnley, a trusted name in emission control sensors
• Contains lead (Pb) as a chemical component, handled under regulatory compliance

Product Details and Chemical Considerations

This throttle position sensor (TPS) from Beck Arnley is engineered to deliver consistent and reliable throttle position data to the engine control unit (ECU). The sensor plays a critical role in managing air-fuel mixture and engine timing. It contains lead (Pb), a chemical regulated under environmental standards, so proper handling and disposal are recommended. The part number 158-1049 corresponds to a direct replacement sensor compatible with multiple Toyota and Chevrolet models, including the Toyota Corolla and Chevrolet Vibe.

Common Applications and Problem Resolution

• Resolves erratic idle or stalling issues caused by faulty throttle position readings
• Corrects hesitation or poor acceleration linked to sensor malfunction
• Helps address check engine light triggers related to throttle position sensor faults
• Improves fuel efficiency by providing accurate throttle input data
• Supports smooth transmission shifting in vehicles with electronic throttle control

Installation Notes and Tips

When installing the Beck Arnley 158-1049 throttle position sensor, ensure the vehicle’s ignition is off and the battery is disconnected to prevent electrical shorts. Carefully remove the old sensor and clean the mounting surface before installing the new unit. Verify proper alignment and secure the sensor firmly to avoid air leaks or inaccurate readings. After installation, clear any diagnostic trouble codes and perform a throttle position sensor calibration if required by the vehicle’s service manual.

Quality Assurance and Warranty Information

Beck Arnley manufactures this throttle position sensor to meet or exceed OEM specifications for durability and performance. The part undergoes rigorous testing to ensure reliable operation under various driving conditions. While specific warranty details are not provided here, Beck Arnley products typically include a limited warranty covering defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.