egr problem with 97" ford ranger with dtc code po406

1997 FORD RANGER
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BRUCEY 78
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  • 4 POSTS
i pulled off the vaccum hose and d code came off the vehicle works well.Is that means the EGR valve is bad
Nov 23, 2011 at 5:02 PM
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HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
it cold be plugged up and need to be cleaned also. take the valve off and put a vacuum tester to it to see if it opens.
Nov 23, 2011 at 5:17 PM
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BRUCEY 78
  • MEMBER
  • 4 POSTS
i did and it opening and closing
Nov 23, 2011 at 5:22 PM
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