What makes a catalytic converter to get cherry red after the car warms up?
Something wrong with the Emissions system, get it checked quickly or you will be paying for catalysts also.
Catalytic converter is plugging up
Dumping excess fuel,o2,s may be bad causing this.
Rich fuel mixture.
It was one of the coil packs was bad, two of the plugs weren't firing & it was just dumping raw gas into the exhaust.
You should have been able to feel that, a loss of 2 cylinders would have been a big loss of power.
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