HomeCardone 78-8552F Engine Control Module
Part #: 78-8552F

Cardone 78-8552F Engine Control Module

Engine Control Module
6 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
Engine Control Module
Fitment: Ford and Mercury, Contour, Mystique, and Cougar
Easy Returns — Return within 60 days for a full refund
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Overview of Cardone Engine Control Module 78-8552F

The Cardone Engine Control Module (ECM) part number 78-8552F is designed for select Ford and Mercury vehicles, including the Contour, Cougar, and Mystique models. This ECM plays a critical role in managing engine functions and ensuring optimal vehicle performance.

  • Compatible with Ford Contour, Mercury Cougar, and Mystique
  • Part number 78-8552F for precise fitment
  • Engine Control Module brand line for reliable engine management
  • Supports vehicle-specific programming and security features
  • Direct replacement for original equipment ECMs

About the Cardone Engine Control Module Product Line

The Cardone Engine Control Module product line focuses on delivering remanufactured and replacement ECMs that meet or exceed OEM specifications. These modules are engineered to control engine functions such as fuel injection, ignition timing, and emissions systems. The Engine Control Module line ensures compatibility with vehicle-specific requirements, including VIN programming and passive anti-theft system (PATS) integration where applicable.

Detailed Product Description

The Cardone 78-8552F ECM is a critical component for Ford and Mercury vehicles like the Contour, Cougar, and Mystique. It manages engine control parameters to maintain efficient operation and emissions compliance. This module requires proper programming to the vehicle’s VIN, especially for Chrysler PCM models with a "v" suffix and certain Ford vehicles equipped with passive anti-theft systems. Installation of the correct ECM is essential, as an incorrect unit may prevent the vehicle from starting or cause system errors.

Common Issues Addressed by This ECM

  • Engine stalling or failure to start due to faulty ECM
  • Check engine light triggered by ECM malfunctions
  • Irregular engine performance or misfires
  • Problems with fuel injection timing and ignition control
  • Issues related to passive anti-theft system (PATS) integration

Installation Notes and Tips

  • Verify the part number 78-8552F matches the original ECM before installation
  • Ensure VIN programming is completed for Chrysler PCM models with a "v" suffix
  • Check if the vehicle requires passive anti-theft system (PATS) reset or programming
  • Use a compatible diagnostic tool, such as a Tech 2 scanner, for programming and reset procedures
  • Confirm the ECM is the root cause of engine issues before replacement

Quality Assurance and Warranty

Cardone remanufactured ECMs undergo rigorous testing to meet OEM standards for performance and reliability. While specific warranty details for part number 78-8552F should be confirmed at the point of purchase, Cardone typically offers limited warranties covering defects in materials and workmanship to ensure customer confidence in their Engine Control Module products.

This part fits 6 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2000FordContour2.5LV6N/AAll Calibrations with Module ID MLF-521; Vehicle specific Flash programming required ON or OFF the vehicle. Accurate VIN and mileage are required; Vehicle specific On-Car Programming must be performed AFTER installation to prevent drivability and starting issues; PATS Module Requires Programming after ECM Install.; Correct VIN and OE Number required when ordering; Engine Control Module
2000MercuryCougar2.5LV6N/AAll Calibrations with Module ID MLF-521; Vehicle specific Flash programming required ON or OFF the vehicle. Accurate VIN and mileage are required; Vehicle specific On-Car Programming must be performed AFTER installation to prevent drivability and starting issues; PATS Module Requires Programming after ECM Install.; Correct VIN and OE Number required when ordering; Engine Control Module
2000MercuryMystique2.5LV6N/AAll Calibrations with Module ID MLF-521; Vehicle specific Flash programming required ON or OFF the vehicle. Accurate VIN and mileage are required; Vehicle specific On-Car Programming must be performed AFTER installation to prevent drivability and starting issues; PATS Module Requires Programming after ECM Install.; Correct VIN and OE Number required when ordering; Engine Control Module
1999FordContour2.5LV6N/AAll Calibrations with Module ID MLF-521; Vehicle specific Flash programming required ON or OFF the vehicle. Accurate VIN and mileage are required; Vehicle specific On-Car Programming must be performed AFTER installation to prevent drivability and starting issues; PATS Module Requires Programming after ECM Install.; Correct VIN and OE Number required when ordering; Engine Control Module
1999MercuryCougar2.5LV6N/AAll Calibrations with Module ID MLF-521; Vehicle specific Flash programming required ON or OFF the vehicle. Accurate VIN and mileage are required; Vehicle specific On-Car Programming must be performed AFTER installation to prevent drivability and starting issues; PATS Module Requires Programming after ECM Install.; Correct VIN and OE Number required when ordering; Engine Control Module
1999MercuryMystique2.5LV6N/AAll Calibrations with Module ID MLF-521; Vehicle specific Flash programming required ON or OFF the vehicle. Accurate VIN and mileage are required; Vehicle specific On-Car Programming must be performed AFTER installation to prevent drivability and starting issues; PATS Module Requires Programming after ECM Install.; Correct VIN and OE Number required when ordering; 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:

XS2A12A650GAXS2A12A650GCXS2A12A650GDXS2A12A650GEXS2A12A650GFXS2A12A650GGXS2A12A650GHXS2A12A650HAXS2A12A650HCXS2A12A650HDXS2A12A650HEXS2A12A650HFXS2A12A650HGXS2A12A650HHXS2A12A650VAXS2A12A650VCXS2A12A650VDXS2A12A650VEXS2A12A650VFXS2A12A650VGXS2A12A650XAXS2A12A650XBXS2A12A650XCXS2A12A650XDXS2A12A650XEXS2A12A650YAXS2A12A650YBXS2A12A650YCXS2A12A650YDXS2Z12A650GAXS2Z12A650GCXS2Z12A650GDXS2Z12A650GEXS2Z12A650GFXS2Z12A650GGXS2Z12A650GHXS2Z12A650HAXS2Z12A650HCXS2Z12A650HDXS2Z12A650HEXS2Z12A650HFXS2Z12A650HGXS2Z12A650HHXS2Z12A650VAXS2Z12A650VCXS2Z12A650VDXS2Z12A650VEXS2Z12A650VFXS2Z12A650VGXS2Z12A650XAXS2Z12A650XBXS2Z12A650XCXS2Z12A650XDXS2Z12A650XEXS2Z12A650YDXS8A12A650GAXS8A12A650GCXS8A12A650GDXS8A12A650GEXS8A12A650GFXS8A12A650GGXS8A12A650GHXS8A12A650HAXS8A12A650HCXS8A12A650HDXS8A12A650HEXS8A12A650HFXS8A12A650HGXS8A12A650HHXS8A12A650MAXS8A12A650MBXS8A12A650MCXS8A12A650MDXS8A12A650ME

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