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1994 Pontiac Bonneville cleaning EGR passage

Tiny
BEEJAY
  • MEMBER
  • 1994 PONTIAC BONNEVILLE
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 158,000 MILES
Code P1406
Purchased a new egr valve but instructions state to clean egr valve passage b4 installing. How do I do this?
Monday, July 27th, 2009 AT 6:19 PM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Use solvent or carb cleaner, spray into the passages and use a small wire to dig it out
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Monday, July 27th, 2009 AT 7:34 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Put it all back together and see if the code will pop back up-
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Monday, July 27th, 2009 AT 9:18 PM

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