Jehoshaphat made the same mistakes his father Asa had made. When he did consult the LORD he had amazing success.

1 Kings 17:1. And Jehoshaphat his son reigned in his stead and strengthened himself against Israel. 2. And he placed forces in all the fortified cities of Judah and set garrisons in the land of Judah and in the cities of Ephraim, which Asa his father had taken. 3. And the LORD* was with Jehoshaphat, because he walked in the first Ways of his father David and did not seek baalim, 4. but sought the God of his father and walked in His commandments, and not after the doings of Israel. 5. Therefore the LORD* established the kingdom in his hand and all Judah brought presents to Jehoshaphat and he had riches and honor in abundance. 6. And his heart was lifted up in the Ways of the LORD*. Moreover he took away the high places and groves out of Judah.