Since you have not mentioned the type and value of any particular liver
enzyme ,I am going to tell you in general.
The most common causes for high liver enzymes are consumption of alcohol,diabetes
,triglycerides,obesity,consumption of lot of pain killers etc and various types of hepatitis
Your life style change can normalise these levels in few months time.
What to do...
Reduce your calorie intake and reduce your weight.
Avoid sweets and deep fried foods.
Avoid junk foods and colas.
Consume fresh fruits and green vegetables.
Do regular aerobic exercises.
Take super B complex
vitamin with 1000 mg of VIT C.
In next few months time,you should be all right.
Consult a gastroenterologist
if liver enzymes persist or get elevated,even after the lifestyle changes.