OE Quality
60-Day Returns

Cardone 78-4273 Engine Control Module
Reliable Engine Control Module for Ford Bronco II and Ranger
The Cardone Engine Control Module (ECM) part number 78-4273 is designed specifically for Ford Bronco II and Ranger models. This ECM ensures proper engine management and performance by controlling critical engine functions.
- Compatible with Ford Bronco II and Ranger vehicles
- Part number 78-4273 for precise fitment
- Part of Cardone's Engine Control Module product line
- Supports engine management and powertrain control
- Includes important programming and installation considerations
About the Cardone Engine Control Module Product Line
The Cardone Engine Control Module product line focuses on delivering reliable and compatible ECMs tailored to specific vehicle makes and models. This ensures that each module meets the necessary specifications for engine control and powertrain management. The 78-4273 ECM is engineered to integrate seamlessly with Ford Bronco II and Ranger systems, maintaining factory-level performance and control.
Detailed Product Description
The Cardone 78-4273 ECM is a critical component for managing engine functions in Ford Bronco II and Ranger vehicles. It controls fuel injection, ignition timing, and other essential engine parameters to optimize performance and emissions. This module is designed to replace the original equipment manufacturer (OEM) ECM, providing a direct fit and function. Proper programming and VIN-specific configuration may be required to ensure compatibility with the vehicle's security and anti-theft systems.
Common Issues Addressed by This ECM
- Engine stalling or failure to start
- Check engine light illumination due to ECM faults
- Poor engine performance or misfires
- Powertrain control malfunctions
- Issues related to passive anti-theft system (P.A.T.S.) integration
Installation Notes and Tips
- Verify the part number 78-4273 matches the original ECM before installation
- Some Ford vehicles may require VIN programming or P.A.T.S. reset after replacement
- Use a compatible diagnostic tool such as a Tech 2 scanner for programming
- Confirm the ECM is the root cause of engine issues before replacement
- Follow manufacturer guidelines for safe removal and installation
Quality Assurance and Warranty
Cardone Engine Control Modules undergo rigorous testing to ensure reliability and compatibility with specified Ford models. While warranty details are not specified here, Cardone typically offers coverage against defects in materials and workmanship. Always consult product documentation or the supplier for specific warranty information related to part number 78-4273.
This part fits 4 vehicles. Search below:
| Year | Make | Model | Transmission | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1984 | Ford | Bronco II | Manual | N/A | ID #(s) E47F-CA; This Unit is Pre-Programmed at the Factory; Engine Control Module | ||
| 1984 | Ford | Ranger | Manual | 2.8L | V6 | N/A | with California Emission System; ID #(s) E47F-CA; This Unit is Pre-Programmed at the Factory; Engine Control Module |
| 1984 | Ford | Ranger | Manual | 2.8L | V6 | N/A | with Federal Emission System; ID #(s) E47F-CA; This Unit is Pre-Programmed at the Factory; Engine Control Module |
| 1983 | Ford | Ranger | Manual | 2.8L | V6 | N/A | This Unit is Pre-Programmed at the Factory; Engine Control Module |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.