MagnaFlow's Converter Inspection - MagnaFlow Catalytic Converters

CATALYTIC CONVERTERS

CATALYTIC CONVERTER BASICS
INSPECTION

TEMPERATURE
&SHELL DISCOLORATION

Catalytic converter shell coloration is a good indicator of Converter efficiency and light-off. Converter efficiency depends on factors including exhaust gas composition and temperatures Converter internal reactions (Light-off) begin to occur at Exhaust Gas Temperatures between 400 and 800°C. High operating temperatures should be avoided to prevent degradation of the converter. Always note any conditions that may prevent a converter from reaching Light-off temperature.

EXHAUST COMPONENT
INSPECTION

Check manifold and exhaust pipes for leaks

Check for any physical damage to the converter housing.

Inspect O2 sensor wiring to ensure good contact at the connectors and no damage or shorted wires.

UPON REMOVAL OF
CONVERTER

Melted substrate

Check for missing, cracked or loose substrate

Severe discoloration indicating excessive temperature

Excessive build-up of carbon, soot or oil on the inside of converter and/or connecting pipes.

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