Cardone 78-4202 Engine Control Module

Engine Control Module for Ford Tempo and Mercury Topaz

Restore engine management performance with this Cardone remanufactured Engine Control Module, part number 78-4202. Built for specific 1985 Ford Tempo and Mercury Topaz applications, it is pre-programmed at the factory for the listed fitments and remanufactured to meet or exceed original equipment performance.

Key Features

• Remanufactured Original Equipment-style ECM for precise vehicle fit
• Fits 1985 Ford Tempo with Federal Emission System, ID E53F-DA, DB, DC, DD
• Fits 1985 Mercury Topaz without California Emission System, ID E53F-DA, DB, DC, DD
• Factory pre-programmed for the listed applications
• Critical components are re-soldered or replaced during remanufacturing
• 100% computer tested for functionality and reliability
• On-car validation is used to verify durability and performance

Product Details

Cardone’s Engine Control Module line focuses on remanufactured electronic and powertrain control units that are reverse engineered to identify common failure points and correct original design weaknesses. For this application, the 78-4202 ECM is built for direct replacement use on the 1985 Ford Tempo and 1985 Mercury Topaz listed above. The remanufacturing process includes replacement or re-soldering of critical internal components, followed by computer testing to confirm proper operation. This part cross-references Ford and Mercury OE numbers such as E53F12A650DA and E53Z12A650DA for the same application.

Common Problems This ECM Can Address

• No-start condition related to a failed engine control module
• Intermittent drivability issues caused by unstable electronic control signals
• Fuel or ignition control faults traced to ECM failure
• Check engine concerns linked to internal module malfunction
• Vehicle performance problems after confirming power, ground, wiring, and solenoid circuits are sound

Installation Notes

Before replacing the original ECM, verify that the root cause of failure has been corrected. Common causes include poor grounds, poor power supply, damaged wiring harnesses, and shorted solenoids or relays. Confirm the Ford engineering ID on the original module matches the correct Cardone part number before installation. This unit is pre-programmed at the factory for the listed 1985 Ford Tempo and Mercury Topaz applications.

Quality Assurance

Each Cardone remanufactured ECM is tested with automated computer equipment or bench-tested, depending on application, and validated on-vehicle for durability and performance. The remanufacturing process also reduces the energy and raw material required to produce a new part by up to 80%.