Does 408 throttle matching have to be cold?

The 408 throttle match didn't say the car must be cold.

Matching settings after cleaning throttle body

The throttle is initialized as follows: Method 1

1. Turn on the ignition switch to the "M" position (M is the position where many alarm lights on the instrument panel are on);

2. Keep the "M" gear for 30 seconds (don't turn off the ignition switch and don't step on the accelerator);

3. Then turn off the ignition switch 15 seconds (the computer records the throttle initialization parameters in EEP-ROM, which is in the power support stage).

Caution: Do not turn on the ignition switch again within 15 seconds.

Method 2: Turn the ignition switch to the "ON" position, wait for 30 seconds, and then turn it to the "OFF" position.

Wait for 30 seconds, turn the ignition switch to the "on" position again, and then press the accelerator pedal.

If the bottom is not loose, turn the ignitiON switch to the "OFF" position and wait for 30 seconds, then turn it to the "on" position and release the accelerator pedal. "If all the above methods fail, you need to match the instrument.