2000 Toyota Tacoma Check engine light comes on. Code # PO 440

Question

Truck was driving and running fine. Check engine light came on. It comes up as a code PO 440.
What does this mean?

Answer 1

HI there,

This code is for the pressure sensor on the evap system. It is a very broad code with several possible issues that can cause it. All must be checked to determine the problem.