what cause my 2001 Lincoln po174 code

Question

I have a po174 code on my 2001 Lincoln

Answer 1

P0174 Fuel trim lean Bank 2

Vacuum leak are the most possible causes of a lean condition . Vacuum leaks are air that gets past the MAF (mass airflow) and is not metered by the MAF. look for vacuuum leak caused by vacuum hoses that is disconnected or has ruptured.