Matthew Poole and continuators on 2 Kings 16:3

3 But he walked in the way of the kings of Israel, yea, and made his son to pass through the fire , according to the abominations of the heathen, whom the LORD cast out from before the children of Israel.

Either 1. by way of lustration, to pass hastily thorow it, so as to be scorched, and, as it were, baptized with it: Or, 2. by way of oblation, so as to be utterly consumed, and offered for a burnt-offering, which was the practise of Heathens, and of some Israelites, in imitation of them; of which, see 2 Kings 21. 6. Psal. 10[illegible: 1+ letters]. 36. Ier. 7. 31. which seems best to agree with 2 Chron. 28. 3. where it is said, he burnt his children, i. e. some of them: first one, as is here noted, and afterwards others of them, as is there observed. Of these practises, see more on Lev. 18. 21. and Deut. 18. 10.