BUICK CODE

  • Tiny
  • piggy23
  • Buick Lesabre

What does code p1406 mean for a 1997 buick lesabre?

Thursday, October 25th, 2007 AT 5:38 PM

1 Answer

  • Tiny
  • merlin2021
  • Expert
  • 17,583 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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