engine wont make steam

[Mom2015]

set did not come with liquid steam so I ordered a bottle from amazon. am putting in amount according to instructions and no steam everything else is working fine. am I doing something wrong

[Hunt]

What train set do you have (name, scale, Item no.)?

Not all locomotives are equipped with unit to produce steam smoke.

[jbrock27]

It may be for the best, smoke tends to get stuff dirty, especially the track, which then effects the running of the loco.