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303-08B Engine Emission Control - 1.4L Duratorq-TDCi (DV) Diesel > < Crankcase Vent Oil Separator

Fiesta 2002.25 (11.2001-)

Engine Emission Control - 1.25L Duratec-16V (Sigma)/1.3L Duratec-8V (Rocam)/1.4L Duratec-16V (Sigma)/1.6L Duratec-16V (Sigma) - Engine Emission Control Fiesta 2002.25 (11/2001-)
Diagnosis and Testing

Inspection and Verification

  1. Verify the customer concern.
  1. Visually inspect for obvious signs of mechanical damage.

Visual Inspection Chart

Mechanical
Positive crankcase ventilation (PCV) valve
PCV separator
Hose(s)/hose joints
Gasket(s)
  1. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
  1. If the cause is not visually evident, verify the symptom and refer to the Symptom Chart.

Symptom Chart

Symptom Chart

Symptom Possible Sources Action
Excessive crankcase pressure
*
Blocked PCV valve.
*
Blocked PCV separator.
*
Blocked PCV hose.
*
CLEAN or INSTALL new PCV components as necessary. TEST the system for normal operation. If the concern persists, REFER to Section  303-00 Engine System - General Information.
Oil in the air intake system
*
Restriction in PCV separator.
*
CLEAN or INSTALL a new PCV separator. TEST the system for normal operation.
*
PCV valve permanently open.
*
INSTALL a new PCV valve. TEST the system for normal operation.

303-08B Engine Emission Control - 1.4L Duratorq-TDCi (DV) Diesel > < Crankcase Vent Oil Separator