303-08B-216 Engine Emission Control — Diesel Engine 303-08B-216
DIAGNOSIS AND TESTING
E4565 EN 09/2001 2002 Bantam
Engine Emission Control
Inspection and Verification
1. Verify the customer concern by operating the
system.
2. Visually inspect for obvious signs of
mechanical or electrical damage.
Visual Inspection Chart
Mechanical
Electrical
• Sensors and controls
• Exhaust gas
recirculation clamps
• Exhau
st gas
Recirculation tube for
cracks
• Vacuum pipes for
leaks
• Coolant pipes for
leaks
• Exhaust gas
recirculation gaskets
• Loose or corroded
connection to the
exhaust gas
recirculation vacuum
regulator
• Loose or corroded
powertrain control
module electrical
connectors.
• Wiring harness
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. If the concern is not visually evident, verify
the symptom and refer to WDS.
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