Yes, your "God" is a liar.
It says so in the Bible ;-) Several times. And when it is written in the bible, it is TEH INFALLIBLE TRUTH, isn't it, my dear fundie?
1 Kings 22:23 Now, therefore, behold, the Lord hath put a lying spirit in the mouth of these thy prophets, and the Lord hath spoken evil concerning thee.
2 Chronicles 18:22 Now therefore, behold, the Lord hath put a lying spirit in the mouth of these thy prophets.
Jeremiah 4:10 Ah, Lord GOD! surely thou hast greatly deceived this people.
Jeremiah 20:7 O Lord, thou hast deceived me, and I was deceived.
Ezekiel 14:9 And if a prophet be deceived when he hath spoken a thing, I the Lord have deceived that prophet.
2 Thessalonians 2:11 For this cause God shall send them strong delusion, that they should believe a lie.