1994 Pontiac Bonneville cleaning egr passage

1994 PONTIAC BONNEVILLE
158,000 MILES • 6 CYL • FWD • AUTOMATIC
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BEEJAY
  • MEMBER
  • 1 POST
Code P1406
Purchased a new egr valve but instructions state to clean egr valve passage b4 installing....How do I do this?
Jul 27, 2009 at 11:19 AM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Use solvent or carb cleaner, spray into the passages and use a small wire to dig it out
Jul 27, 2009 at 12:34 PM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Put it all back together and see if the code will pop back up-
Jul 27, 2009 at 2:18 PM
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