dodge Workshop Repair Guides

Dodge Workshop Service and Repair Manuals

Catalytic Converter|Service and Repair > < Catalytic Converter|Description and Operation
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Catalytic Converter: Testing and Inspection

INSPECTION

Check catalytic converter for a flow restriction. See: Engine, Cooling and Exhaust/Exhaust System/Testing and Inspection/Exhaust System  Exhaust
System Restriction Check for procedure.

Visually inspect the catalytic converter element by using a borescope or equivalent. Remove oxygen sensor(s) and insert borescope. If borescope is not
available, remove converter and inspect element using a flashlight. Inspect element for cracked or melted substrate.

NOTE: Before replacing a catalytic converter, determine the root cause of failure. Most catalytic converter failures are caused by air, fuel or

ignition problems. (Refer to Appropriate Diagnostic Information) for test procedures.

Catalytic Converter|Service and Repair > < Catalytic Converter|Description and Operation