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 T..
System Operation
System Diagram
Item
Description
1
Valve cover
2
Air Cleaner (ACL) outlet pipe
3
Vapor ejector
4
EVAP (Evaporative Emission) canister purge valve
5
Intake manifold
6
PCV (Positive Crankcase Ventilation) valve
7
EVAP canister
8
Fuel vapor v..