1996 Buick Century

Tiny
SSKORPP2
  • MEMBER
  • 1996 BUICK CENTURY
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 129,341 MILES
I keep getting a p-1406 code (egr pintle position circuit). I have replaced the pcm and the egr valve both. I have my five volt reference, a good ground, my battery voltage. The actual egr value goes from o% to 100% when I command the egr with my scanner. It goes from 0 to 100 instantly. Any help would be appreciated.
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Thursday, December 27th, 2007 AT 8:05 PM

1 Reply

Tiny
BMRFIXIT
  • EXPERT
Did you try to clean the EGR pass
remove it and clean it
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Thursday, December 27th, 2007 AT 10:54 PM

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