2012 Toyota Prius: Obd2 Shows P0401, Ecu Issue? Help Plz P0401 On 2010 Egr Insufficient Flow Causes And Fixes
A proper fix requires cleaning the egr cooler, egr valve, and intake. On a 2012 prius v, code p0401 is almost always caused by heavy carbon buildup clogging the egr valve, egr cooler, and intake manif