Contradiction with Exodus 20:3
This verse commands to have no other gods, contradicting Ahaz's actions in adopting a foreign altar for worship.
Exodus 20:3: Thou shalt have no other gods before me.
Contradiction with 2 Kings 16:2-3
It states that Ahaz did not do right in the sight of the Lord, which contradicts his actions in relation to building an altar.
2 Kings 16:2-3: Twenty years old [was] Ahaz when he began to reign, and reigned sixteen years in Jerusalem, and did not [that which was] right in the sight of the LORD his God, like David his father.
Contradiction with Deuteronomy 12:13-14
These verses command that burnt offerings should only be made in designated places chosen by God, conflicting with Ahaz offering sacrifices on a new altar.
Deuteronomy 12:13-14: Take heed to thyself that thou offer not thy burnt offerings in every place that thou seest:
Contradiction with Isaiah 1:11
This verse questions the value of sacrifices if not done with the right heart, a contradiction to Ahaz's focus on ritual without true devotion.
Isaiah 1:11: To what purpose [is] the multitude of your sacrifices unto me? saith the LORD: I am full of the burnt offerings of rams, and the fat of fed beasts; and I delight not in the blood of bullocks, or of lambs, or of he goats. [he goats: Heb. great he goats]
Contradiction with Hosea 6:6
God desires mercy and knowledge of Him more than burnt offerings, contradicting the ritualistic approach Ahaz took.
Hosea 6:6: For I desired mercy, and not sacrifice; and the knowledge of God more than burnt offerings.