| 3.7L – DIAGNOSTIC TROUBLE CODE (DTC) P0420 AND/OR P0430 – BUILT ON OR BEFORE 10/27/2014 |
LINCOLN : | 2013-2015 MKZ |
Some 2013-2015 MKZ vehicles equipped with a 3.7L engine and built on or before 10/27/2014 may exhibit an illuminated malfunction indicator lamp (MIL) with DTC P0420 and/or P0430.
SERVICE PROCEDURE
- Connect the Ford Integrated Diagnostic System (IDS) service tool or equivalent Scan Tool and check for DTCs. Is DTC P0420 and/or P0430 present?
- No – this article does not apply. Refer to Powertrain Control/Emission Diagnosis (PC/ED) manual for normal diagnosis.
- Yes – reprogram the powertrain control module (PCM) to the latest calibration using IDS or Ford J2534 release 92.05 or higher. Make sure you are connected to the internet when entering module programming to obtain the latest updates. Calibration files may also be obtained at www.motorcraftservice.com. Proceed to Step 2.
- Replace the affected catalytic converter per the DTC.
| DG9Z-5G232-D | Front Catalyst Converter Assembly |
DG9Z-5G232-E
Ford DG9Z-5G232-E, Catalytic Converter
Last update on 2026-06-18 / Affiliate links / Images from Amazon Product Advertising API | Rear Catalyst Converter Assembly |
| DG1Z-9448-A No products found. | Manifold Gasket |
W701706-S440
Dorman 03414B Exhaust Manifold Hardware Kit Compatible with Select Models
Last update on 2026-06-18 / Affiliate links / Images from Amazon Product Advertising API | Nut – Manifold-To-Cylinder Head Stud (6 Req) |
| W712244-S300
Dorman 03414B Exhaust Manifold Hardware Kit Compatible with Select Models
Last update on 2026-06-18 / Affiliate links / Images from Amazon Product Advertising API | Stud – Manifold-To-Cylinder Head (6 Req) |
7T4Z-9450-AA
Ford Gasket
Last update on 2026-06-10 / Affiliate links / Images from Amazon Product Advertising API | Gasket – Catalyst-To-Y-Pipe |
BT4Z-9450-A
Ford Gasket
Last update on 2026-06-09 / Affiliate links / Images from Amazon Product Advertising API | Gasket – Y-Pipe-To-Muffler And Tailpipe |
| W520103-S442 | Nuts – Y-Pipe (8 Req) |
XL-2
Genuine Ford Accessories (XL-2) High Temperature Nickel Anti-Seize Lubricant - 8 oz.
Last update on 2026-06-10 / Affiliate links / Images from Amazon Product Advertising API | Motorcraft High Temperature Nickel Anti-Seize Lubricant |
XL-1
Genuine Ford Fluid XL-1 Penetrating and Lock Lubricant - 12 oz. Aerosol
Last update on 2026-06-09 / Affiliate links / Images from Amazon Product Advertising API | Motorcraft Penetrating and Lock Lubricant |
Service Information & Reprogramming
Software necessary to program electronic modules to the latest calibration level, perform module initialization (PATS), and set Programmable Parameters on Ford, Lincoln and Mercury vehicles.
Ford Module Programming (FMP) is a software application that allows subscribers to program electronic modules on Ford, Lincoln and Mercury vehicles. It can be used for:
- Reprogramming emission-related (OBDII) modules on some vehicles manufactured in 1995 and all vehicles manufactured from 1996 to the present
- Reprogramming or reconfiguring non-emission-related modules on many vehicles (UBP and MS-CAN not supported)
In addition, module initialization (PATS) functions such as Keycode Erase/Reprogram and PCM Parameter Reset can be done using this application.
No products found.
Last update on 2026-06-10 / Affiliate links / Images from Amazon Product Advertising API
- ALL OF THE J2534 PROTOCOLS - This single unit has all of the protocols you need for your OEM J2534 reprogramming and diagnostics including the latest in DoIP and CanFD
- J2534 TECHNICAL SUPPORT - FREE for the life of the tool. Staffed by technicians who understand vehicle repair and J2534 Pass‑thru
- TOOLBOX WITH OEM APPLICATION DESCRIPTIONS - educational video tutorials and real-time news – Giving you the confidence and up-to-date knowledge to get the job done
- J2534 v05.00 API - The newest version of J2534 to give you the latest in pass-thru technology
- FUTURE PROOF WITH 4 CAN CHANNELS - Going beyond the 3 required by select Chrysler/FCA models, CarDAQ-Plus 3 also provides a 4th to meet the needs of future OEM applications
Last update on 2026-06-09 / Affiliate links / Images from Amazon Product Advertising API
No products found.
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Latest Calibration Information
Module Build Data (As-Built)
Use VIN to obtain As-Built data
www.motorcraftservice.com
Last update on 2026-06-09 / Affiliate links / Images from Amazon Product Advertising API
No products found.
- Delivers serious jump-starting power with 1000 peak amps and 500 instant starting amps
- Reverse polarity alarm alerts when there is an improper connection; Connect the clamps to the battery, turn on the switch and start your vehicle. All Metal Powder Coated Clamps
- Features a 120 PSI air compressor to help inflate tires with low pressure; High-powered LED light rotates 270 degrees to help you work in the dark
- Built-in 12V DC outlet and USB port provide portable power for electronic devices; Includes a limited 1 year manufacturer warranty
- Jump starter should be charged every 30 days when not in use; Charges using a standard household extension cord (sold separately)
Last update on 2026-06-10 / Affiliate links / Images from Amazon Product Advertising API
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