Description
Advanced Engine Control. The Holley EFI Coyote Ti-VCT Capable HP EFI Kit with Bosch Oxygen Sensor delivers a complete engine management solution designed to maximize the performance of Coyote engines by enabling Twin Independent Variable Cam Timing (Ti-VCT) control. This kit suits performance builds and engine swaps that require precise cam timing adjustments and compatibility with stock or aftermarket camshafts. It enhances drivability and power while offering integrated diagnostics for simplified troubleshooting.
Durable Construction. Built with high-quality materials, the kit includes an ECU assembly and multiple harnesses engineered for reliable performance in demanding automotive environments. Connectors meet OEM standards to ensure seamless integration with Ford Coyote engine components, and the harnesses provide a clean, professional installation.
Installation. Installation is straightforward with plug-and-play harnesses designed for Ford Coyote engines from 2011 to 2017. The harnesses terminate with factory-style connectors for throttle position sensors and idle air control, supporting easy conversion from drive-by-wire to manual throttle setups.
Application. Designed to support 2015-2017 Coyote engines, this kit provides ECU and sensor support while excluding the Ti-VCT controller and associated harnesses. It is intended for use with Holley’s existing Ti-VCT control solutions or setups requiring only the ECU and sensor harnesses.
Holley EFI 550-628
CA Residents: WARNING: Cancer and Reproductive Harm
- HP EFI ECU With Power Harness, Main Harness, Coil Harness, Injector Harness And Sensors Includes Bosch Oxygen Sensor
- Does Not Include Ti-VCT Controller Or Harnesses
- Supports 2015-2017 Coyote Engines
- Plug And Play Main Harness For 2011-2017 Coyote Engines With Stock Cam Shafts Using Stock Coils
- Plug And Play Main Harness For 2011-2017 Coyote Engines With Stock Cam Shafts Using Holley EFI Coils
- Compatible With HP Or Dominator EFI
- Pre-Calibrated Ford Sensor Drop Downs In Holley EFI Software
- Ti-VCT Cam Control Down To 400 RPM
- Commanded Timing Matched Within 1 Degree
- User Programmable Tables To Fine Tune Aftermarket Ti-VCT Compatible Camshafts
- Four Built-In Diagnostic LEDs For Cam Or Crank Sensor Failure
- Integrated Stock Cam Position Tables For Optimal Drive-Ability And Power
- Main Harness Terminated With Ford TPS And IAC Connectors For Easy DBW To Manual Throttle Conversion
- Requires Installation Of External MAP Sensor (Recommended Part Number 538-13 For N/A Applications)
- Main Harness Includes Power Tap Connector For Additional Sensors Or Actuators
- CANBus Communication Between Coyote Ti-VCT And Holley EFI ECU For High Speed Data Transfer And Diagnostics






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