Mechanics

CODE

Buick Lesabre

What does code p1406 mean for a 1997 buick lesabre?
Avatar
Piggy23
October 25, 2007.



P1406= Exhaust gas recirculation pintle error. Means the EGR valve position sensor detected the EGR open at the wrong time. Could need cleaning, or replacement.

Merlin2021
Oct 25, 2007.