Ford Transit 2002 Owner's Manual page 1107

Is DTC P1402 retrieved?
Yes
INSTALL a new EGR valve.
REFER to:
Engine Emission Control - 1.8L Duratorq-TDCi (Lynx) Diesel/1.8L Duratorq-
TDDi (Lynx) Diesel, Removal and Installation).
TEST the system for normal operation.
No
Continue the diagnostic using the Ford approved diagnostic tool.
PINPOINT TEST B : EXCESSIVE CRANKCASE PRESSURE
TEST CONDITIONS
B1: CHECK THE PCV HOSES FOR BLOCKAGE
Exhaust Gas Recirculation (EGR) Valve - 110 PS
DETAILS/RESULTS/ACTIONS
Remove the PCV hoses.
1
Inspect the PCV hoses and connections for blockage.
2
Are the PCV hoses and connections free from blockage?
Yes
INSTALL a new valve cover.
REFER to: Valve Cover
Duratorq-TDCi (Lynx) Diesel/1.8L Duratorq-TDDi
(Lynx) Diesel, In-vehicle Repair).
No
CLEAN or INSTALL new PCV hoses as necessary.
TEST the system for normal operation. If the concern
persists, CLEAN or INSTALL a new crankcase vent oil
separator as necessary. TEST the system for normal
operation.
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(303-08B
(303-01B Engine - 1.8L