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..
Removal
NOTE:
Removal steps in this procedure may contain installation details.
Remove the air cleaner inlet pipe.
Refer to: Air Cleaner Intake Pipe (303-12C Intake Air Distribution and Filtering, Removal and Installation).
Refer to: Air Cleaner Intake Pipe (303-12A Intake Air Distribution and
Filtering - 1.5L EcoBoost (132kW/180PS) – I3 (Y1), Removal and
Installation).
..