buick code

BUICK LESABRE
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PIGGY23
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  • 1 POST
what does code p1406 mean for a 1997 buick lesabre?
Oct 25, 2007 at 10:38 AM
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MERLIN2021
  • ✓Experienced 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.
Oct 25, 2007 at 10:56 AM
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