Ford Transit 2002 Owner's Manual page 1095

Engine Emission Control - 1.8L Duratec-
DOHC (85kW/115PS) - Zetec - Engine
Emission Control
Diagnosis and Testing
Inspection and Verification
1. 1. Verify the customer concern.
2. 2. Visually inspect for obvious signs of mechanical damage.
Visual Inspection Chart
3. 3. If an obvious cause for an observed or reported concern is found, correct the cause
(if possible) before proceeding to the next step.
4. 4. If the concern is not visually evident, verify the symptom and refer to the
Symptom Chart.
Symptom Chart
Symptom Chart
Symptom Possible Sources
Excessive * Blocked or damaged
crankcase PCV pipe(s)/hose(s).
pressure * Blocked PCV valve.
* Blocked crankcase vent
oil separator.
* Worn or damaged
engine components.
Electrical
Vacuum line(s)
Hose(s)/hose joints
Gasket(s)
Positive crankcase ventilation (PCV) valve
Crankcase vent oil separator
* CHECK the PCV system components for
blockages, CLEAN or INSTALL new components
as necessary.
* REFER to Section
Engine.
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Transit/Tourneo Connect 2002.5 (06/2002-)
Action
303-01A Engine /
Print
303-01B