Contradiction with Proverbs 28:9
Psalms 34:6 suggests that anyone who cries out to the Lord will be heard and saved, while Proverbs 28:9 states that if one turns away from hearing the law, even their prayer is an abomination, implying that not everyone will be heard.
Proverbs 28:9: He that turneth away his ear from hearing the law, even his prayer [shall be] abomination.
Contradiction with Isaiah 59:2
Psalms 34:6 promises deliverance upon calling out, yet Isaiah 59:2 states that iniquities separate people from God so that He does not hear them, indicating unmet prayers for the unrighteous.
Isaiah 59:2: But your iniquities have separated between you and your God, and your sins have hid [his] face from you, that he will not hear. [have hid: or, have made him hide]
Contradiction with Jeremiah 14:12
While Psalms 34:6 speaks of God hearing and saving the poor man who calls out, Jeremiah 14:12 indicates that God will not listen to their cries if they persist in wrongdoing.
Jeremiah 14:12: When they fast, I will not hear their cry; and when they offer burnt offering and an oblation, I will not accept them: but I will consume them by the sword, and by the famine, and by the pestilence.
Contradiction with 1 Peter 3:12
Psalms 34:6 implies a certainty that God hears and delivers, 1 Peter 3:12 clarifies that the Lord's ears are open to the righteous, but He turns His face against those who do evil, implying not everyone is heard.
1 Peter 3:12: For the eyes of the Lord [are] over the righteous, and his ears [are open] unto their prayers: but the face of the Lord [is] against them that do evil. [against: Gr. upon]
Contradiction with James 4:3
Psalms 34:6 depicts God responding to cries for help, yet James 4:3 warns that prayers can go unmet if asked with wrong motives, suggesting not all calls will be answered.
James 4:3: Ye ask, and receive not, because ye ask amiss, that ye may consume [it] upon your lusts. [lusts: or, pleasures]