I changed my nissan altima engine,but the car still works poorly,the engine runs high while on pack

the car accelerates more than 1500/200 rmp.the car was auto scanned and the scanning code was saying turtle censor body was bad.please help me.
Asked Feb 14, 2014

TIP: If it's not your answer to this question, please click "Leave a Comment" button under the question to communicate with the question owner.