HomeCardone 78-4871 Engine Control Module
Part #: 78-4871

Cardone 78-4871 Engine Control Module

Engine Control Module
2 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Engine Control Module
Fitment: Ford and Mazda, Explorer and Navajo
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Overview of Cardone Engine Control Module 78-4871

The Cardone Engine Control Module (ECM) part number 78-4871 is designed for select Ford and Mazda vehicles, including the Ford Explorer and Mazda Navajo. This ECM plays a critical role in managing engine functions and ensuring optimal vehicle performance.

  • Compatible with Ford Explorer and Mazda Navajo models
  • Part number 78-4871 for precise identification
  • Engine Control Module from Cardone's Engine Control Module product line
  • Supports proper engine management and diagnostics
  • Includes important considerations for VIN programming and anti-theft systems

About the Cardone Engine Control Module Product Line

The Cardone Engine Control Module product line focuses on delivering reliable replacement ECMs that meet or exceed OEM specifications. These modules are engineered to integrate seamlessly with the vehicle's existing systems, including powertrain control and security features. The 78-4871 ECM is part of this line, ensuring compatibility and performance for Ford and Mazda vehicles requiring precise engine management solutions.

Detailed Product Description

The Cardone 78-4871 ECM is a critical component for engine control in compatible Ford Explorer and Mazda Navajo models. It manages various engine functions such as fuel injection, ignition timing, and emissions control. This module also interacts with the vehicle's passive anti-theft system (P.A.T.S.) where applicable, which may require specific programming steps during installation. Chrysler PCM units with a "v" suffix require VIN programming, and similar considerations apply to Ford and GM vehicles regarding anti-theft resets and programming procedures.

Common Issues Addressed by This ECM

  • Engine performance problems due to faulty or failing ECM
  • Vehicle not starting or intermittent stalling related to ECM issues
  • Check engine light triggered by ECM faults
  • Problems with powertrain control and emissions systems
  • Anti-theft system preventing vehicle start due to ECM mismatch

Installation Notes and Tips

  • Verify the part number 78-4871 matches the original ECM before installation
  • Check if VIN programming is required, especially for Chrysler PCM units with a "v" suffix
  • Confirm if the vehicle’s passive anti-theft system (P.A.T.S.) requires reset or reprogramming
  • Use a compatible diagnostic tool such as a Tech 2 scanner for programming and resetting procedures
  • Ensure the original ECM is properly diagnosed as the cause of the issue before replacement

Quality Assurance and Warranty

Cardone Engine Control Modules, including part number 78-4871, are manufactured to meet strict quality standards. While specific warranty details are not provided here, Cardone typically offers coverage against defects in materials and workmanship. It is recommended to consult the product documentation or supplier for exact warranty terms.

This part fits 2 vehicles. Search below:

YearMakeModelPositionNotes
1991FordExplorerN/AID #(s) F07F-ACB; This Unit is Pre-Programmed at the Factory; Engine Control Module
1991MazdaNavajoN/AID #(s) F07F 12A650-ACB; 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:

F0TZ12A650ACB

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.