The Holley EFI 554-152 Engine Control Module (ECM) is a high-performance, user-programmable ECM designed to optimize engine management for a variety of applications, including street and race setups. Engineered for precision fuel control, this advanced ECM is fully compatible with Holley’s cutting-edge EFI systems, allowing users to precisely calibrate their engines for optimal power, efficiency, and reliability. The 554-152 model offers extensive tuning capabilities, customizable fuel maps, and real-time data logging, making it ideal for enthusiasts and professionals seeking complete control over engine dynamics.

Technical Specifications:

• Processor: High-speed processor for real-time data processing and engine adjustments
• Inputs/Outputs: Multiple configurable inputs and outputs to support sensors, gauges, and additional components
• Data Logging: Real-time data logging capabilities for in-depth performance analysis
• Compatibility: Supports Holley EFI systems and is compatible with many aftermarket setups
• Software: Comes with Holley’s advanced software suite for custom tuning

Performance Benefits:

• Enhanced Fuel Control: Fine-tunes fuel delivery for optimal power and fuel efficiency across RPM ranges.
• Flexible Tuning Options: Fully programmable fuel maps and customizable parameters allow detailed engine tuning.
• Real-Time Monitoring: Data logging enables on-the-go adjustments and detailed analysis of performance metrics.
• Broad Compatibility: Integrates seamlessly with various Holley EFI components and aftermarket sensors for comprehensive engine management.

Maintenance:
To ensure consistent performance from the Holley EFI ECM:

1. Firmware Updates: Regularly check for software and firmware updates to keep the ECM’s capabilities current.
2. Wiring Inspections: Ensure all connections are secure, especially in high-vibration environments.
3. Data Review: Periodically review logged data to adjust engine settings as needed and maintain peak performance.