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Holley EFI 554-152 - EFI Terminator X ECU

Holley EFI 554-152 - EFI Terminator X ECU

Holley EFI | 554-152
SKU: HOLEFI-554-152
Regular price $978.99 USD
Regular price $1,028.95 USD Sale price $978.99 USD
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Holley EFI 554-152 - EFI Terminator X ECU

Holley EFI Terminator X Service ECU

EFI Terminator X ECU; 4 Inputs; 4 Outputs; Boost Control; Nitrous Control; Advanced Tables;

These standalone Terminator X ECUs (Electronic Control Unit) are intended to be used as service components for your Terminator X EFI installation. The Terminator X ECU features real-time fuel learn, high impedance injector drivers, an integrated 1bar MAP sensor, and 4 programmable inputs and outputs. The inputs and outputs are ideal for electric fans, boost control solenoids, or progressive nitrous control. The Terminator X Max ECU features real-time fuel learn, high impedance injector drivers, an integrated 1bar MAP sensor, electronic transmission control, drive-by-wire throttle body control, and 4 programmable inputs and outputs. The inputs and outputs are ideal for electric fans, boost control solenoids, progressive nitrous control, and much more.

  • OEM (Original Equipment Manufacturer) Injectors supported, with part numbers provided in the handheld wizard, or software.
  • Genuine Bosch LSU 4.9 Wideband Control (Will not work with LSU 4.2 Oxygen Sensors)
  • 8 Built-in multi-color diagnostic LED's allow you to quickly identify a variety of potential system issues, such as a failed TPS (Throttle Position Sensor) Autoset - faulty crank or cam sensors, or potential oxygen sensor issues!
  • Built in 1bar MAP (Manifold Air Pressure) sensor. On boosted applications, you can disable the internal MAP sensor, and utilize an external MAP sensor.
  • 4 Inputs – 12v, Ground, 5v, and Frequency, for things such as additional pressure sensors, or activation triggers for nitrous activation, or a trans brake (Fuel and Oil Pressure Inputs are pre-terminated)
  • 4 Outputs – Ground, PWM - , for accessories such as, fans, boost control, nitrous control, IAC Kit, and More
  • Boost Control – Boost vs Time, Boost vs Gear, Boost vs RPM, Boost vs Speed, Boost Safeties
  • Nitrous Control – Single Channel of Wet or Dry, Progressive or Non-Progressive, Rich/Lean Safeties, and target Closed Loop AFR
  • Advanced Tables – 4x 1D Tables, 1x 1D per Gear Table, 4x 2D Tables, 1x 2D per Gear Table
  • Free EFI Tuning Software for complete control of your Terminator X power plant
Accelerometer Support: Yes
Boost Control: Yes
Brand: Holley EFI
CAN-BUS Support: Yes
Category: Air and Fuel Delivery
Coast Guard Approved: No
Coil Per Cylinder Ignition Support: Yes
Datalogging Support: Yes
Dry Nitrous Control: Yes
e85 Support: Yes
EGT Support: Yes
Emission Code: 4
Forced Induction Support: Yes
Grade Type: Performance
Height: 1.63"
Ignition Timing Control: Yes
Individual Cylinder Fuel Corrections: Yes
Knock Retard Support: Yes
Length: 7.45"
Mounting Hardware Included: No
Mounting Hole Quantity: 4
Multi-Stage Nitrous Control: No
Product Type: ECU
Progressive Nitrous Control: Yes
Removable PROM: No
Terminal Gender: Male
Terminal Quantity: 62
Traction Control Support: Yes
User-Tuneable: Yes
Warning: California Proposition 65
Weight: 1.15
Wet Nitrous Control: Yes
Width: 5"
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