Buick code

Tiny
PIGGY23
  • MEMBER
  • BUICK LESABRE
What does code p1406 mean for a 1997 buick lesabre?
Thursday, October 25th, 2007 AT 5:38 PM

1 Reply

Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
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.
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Thursday, October 25th, 2007 AT 5:56 PM

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