What to do if your smoker has a code of p0174?
What to do if your smoker has a code of p0174? Connect an OBD2 Scanner and look for any other related trouble codes that can lead you to another faulty part. Connect an EVAP smoke machine and pressurize the system to find any intake or vacuum leaks. Repair the leaks and reset the codes if you find any. What causes Ford Expedition to have lean code p0171? Lean Code’s P0171 and P0174 – Common Causes. Ford Expedition lean codes could caused by a leaky PCV hose. If a car has a check engine light on and has P0171 and P0174...