Buick Lesabre Repair Question
Asked on October 25, 2007
Buick code
What does code p1406 mean for a 1997 buick lesabre?
Asked by piggy23Answer
Replied on 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.