Comments Off on Visual Clues to a Converter Failure
Catalytic converter will rarely fail without a problem or malfunction occurring somewhere in the emission system in front of the converter. It is important to determine what caused the converter to fail, so that the problem can be fixed and to prevent a recurrence of the failure. It can be difficult to determine exactly what caused a catalytic converter to fail, but the following photos and failure
Descriptions help narrow down your search for the malfunction.
This is an example of a converter meltdown. The converter was super-heated due to a raw fuel condition in the exhaust flow. The excess unburned fuel ignited when it struck the hot ceramic catalyst and drove the temperature far above the normal operating condition of the converter. The ceramic catalyst is unable to withstand the extremely high temperature [...]