Other information:
Diagnostic Trouble Code (DTC) Chart
Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).
Module
DTC
Description
Action
PCM
P0420:00
Catalyst System Efficiency Below Threshold (Bank 1): No Sub Type Information
GO to Pinpoint Test HF
PC..
Special Tool(s) /
General Equipment
303-328
(T88P-6701-B1)
Replacer, Rear SealTKIT-1988-FLMTKIT-1988-FTKIT-1988-LM
Plastic Scraper
Materials
Name
Specification
Motorcraft® High Performance Engine RTV SiliconeTA-357
WSE-M4G323-A6
Motorcraft® Silicone Gasket RemoverZC-30-A, AZC-30-C
-
Motorcraft® Metal Surface Prep WipesZC-31-B
-
..