Wenzhou Runtong Motor Vehicle Parts Co., Ltd. is a company integrating production, processing and foreign trade.
Precision Throttle Position Sensors
Powering Smoother Rides & Smarter Engines
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At RUNTONG, we redefine motorcycle performance with our Throttle Position Sensors (TPS). Engineered for accuracy and durability, our sensors deliver real-time throttle data to optimize fuel efficiency, reduce emissions, and ensure seamless acceleration. With 20+ years of expertise and cutting-edge manufacturing, we empower riders and manufacturers worldwide to experience unmatched control and reliability.
Product Application
Street Motorcycles
Ensure smooth idling and eco-friendly emissions compliance for urban commuting.
Racing Bikes
Maximize throttle response and acceleration accuracy for competitive racing.
Electric Motorcycles
Integrate TPS with electric powertrains for seamless energy management.
Global OEM Partnerships
Trusted by manufacturers in Europe, North America, and Asia for OE-quality reliability.
Product Advantage
Ultra-Precise Measurement: ±0.5% Deviation Tolerance
RUNTONG TPS achieves industry-leading accuracy through:
Advanced Signal Calibration: Leveraging real-time feedback algorithms to ensure throttle angle data aligns perfectly with engine control module (ECM) requirements.
Quality Control Integration: Inspired by Toyota Production System (TPS) principles, every sensor undergoes 100% inline testing to eliminate measurement drift and guarantee ±0.5% tolerance—far exceeding the automotive industry’s typical ±5% threshold.
Application in High-Performance Scenarios: From racing bikes to electric motorcycles, this precision optimizes fuel-air ratios, reduces emissions, and enhances throttle responsiveness.
Extreme Durability: Aerospace-Grade Reliability
Built to withstand harsh conditions, RUNTONG TPS incorporates:
Material Innovation: High-strength nylon housing and gold-plated contacts resist degradation from heat (-40°C to +125°C), vibration, and moisture. This aligns with TPS’s “jidoka” (automation with human touch) philosophy, where durability is prioritized to prevent defects under stress.
Rigorous Testing Protocols: Sensors undergo thermal cycling, vibration simulation, and IP67 waterproof validation—mirroring the QA/QC standards in radiation therapy systems to ensure zero failure in critical applications.
Long-Term Performance: Designed for 100,000+ operational cycles, reducing replacement frequency and lifecycle costs.
Plug-and-Play Compatibility: Seamless Integration
RUNTONG TPS simplifies installation and compatibility through:
OEM-Matched Designs: Direct replacement for Yamaha, Honda, and other major brands, eliminating the need for complex wiring modifications.
Parallel Engineering Practices: Borrowing from TPS’s concurrent engineering approach, RUNTONG collaborates with vehicle manufacturers early in the design phase to ensure connectors and voltage ranges align with existing systems.
Global Standardization: Universal 3-pin/4-pin connectors and 0.5–4.5V linear output signals cater to diverse regional and brand-specific requirements.
Eco-Certified: Sustainable Compliance
RUNTONG TPS meets stringent environmental regulations by:
Adhering to Euro 5 & EPA Standards: Emissions compliance is ensured through precision manufacturing that minimizes fuel waste and optimizes combustion efficiency—akin to TPS’s “zero inventory” philosophy, which reduces resource waste.
RoHS-Certified Materials: Eliminates hazardous substances like lead and mercury, aligning with global sustainability trends.
Energy-Efficient Production: Leveraging lean manufacturing techniques to reduce carbon footprint during production.
Throttle Position Sensor (TPS) FAQ
Q: What is a Throttle Position Sensor (TPS), and what does it do?
A: The Throttle Position Sensor (TPS) is a critical component in modern engine control systems. It monitors the throttle valve's opening angle and sends real-time data to the Engine Control Module (ECM). This information is used to optimize fuel injection, manage emissions, control automatic transmission shifts, and ensure smooth acceleration.
Q: What are the common symptoms of a faulty TPS?
A: A malfunctioning TPS may cause:
Engine stalling or rough idling (e.g., unstable RPM at rest).
Delayed acceleration or sudden power loss.
Check Engine Light activation with fault codes.
Poor fuel efficiency due to incorrect air-fuel mixture calculations.
Q: How is a TPS diagnosed for issues?
A: Diagnosis involves:
Visual inspection: Check for damaged wiring, loose connectors, or corrosion.
OBD-II scanner: Retrieve fault codes (e.g., P0121 for signal inconsistency).
Voltage testing: Use a multimeter to verify output voltage aligns with throttle movement (typically 0.5–4.5V).
Bench testing: Compare sensor resistance values against manufacturer specifications.
Q: Can a TPS be recalibrated or repaired?
A: Recalibration: Some modern TPS sensors require recalibration after replacement, often performed via diagnostic tools or ECM reset procedures.
Repair: Physical damage (e.g., worn internal contacts) usually necessitates replacement, while wiring issues can be repaired by fixing connectors or replacing harnesses.
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