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A bad coil can damage a converter. If the engine is misfiring, it will cause raw fuel to get into the converter and that can cause failure.

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16y ago

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What can bad spark plug wires damage?

Catalytic converter due to unburned fuel being burnt in the converter. It can also cause damage to the ignition module.


Will lead additives damage catalytic converter?

They will not only damage it they will destroy the converter.


Does a catalytic converter damage the engine?

Yes it can


Can burning antifreeze cause the catalytic converter to go?

Yes, internal coolant consumption can damage a catalytic converter.


Can an oil leak damage a catalytic converter?

yes it can because oil cal leak into the exhaust system and contaminate the catalytic converter


Will a plugged up catalytic converter damage the engine?

Yes, it can damage the engine.


How do you know when your catalytic converter pieces damage your cylinders?

It can't the converter is in the exhaust system


Can antifreeze coolant cause damage to catalytic converter?

yes it can


What causes oil?

An engine that burns oil will usually foul the spark plugs. That, in turn will cause ignition misfire, higher emissions and likely damage the catalytic converter.


Will it hurt to drive with a bad catalytic converter?

Yes, you can do serious damage to the engine if the converter is clogged.


What causes oil burn?

An engine that burns oil will usually foul the spark plugs. That, in turn will cause ignition misfire, higher emissions and likely damage the catalytic converter.


What damage occurs if a plugged catalytic converter is not fixed?

The heat generated by the converter can back up into the engine and damage it. Cause it to overheat, blow a head gasket or damage the heads.