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:
During engine repair procedures, cleanliness is extremely
important. Any foreign material, including any material created while
cleaning gasket surfaces, that enters the oil passages, coolant passages
or the oil pan can cause engine failure.
Remove the engine front cover.
Refer to: Engine Front Cover (303-01C Engine, Removal and Installation).
Remove..