Catalyst Warmup

Here you can find explanation for different catalyst warmup options.

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Completely Turn Off

Completely turning off catalyst warmup functionality. The car will be started with idle rpm(e.g. 700-900 rpm depends on coolant/oil temperature). On some engines first few seconds the car can working rough.

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Only Noise Reduction

The car will be started with higher rpm(same as with initial catalyst warmup), but without any extra noise/loud. Smooth idle even with cold start.

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