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1999 Honda Prelude EGR valve

Tiny
GARYG369
  • MEMBER
  • 1999 HONDA PRELUDE
  • 4 CYL
  • FWD
  • MANUAL
  • 223,000 MILES
Replaced egr valve, after 70 miles engine light came on again, I took off line leaving valve and could blow through it, the old valve had lots of buildup
Sunday, January 31st, 2010 AT 6:36 PM

3 Replies

Tiny
KHLOW2008
  • MECHANIC
  • 41,815 POSTS
Hi garyg369,

What was the trouble codes retrieved?

Did you clean the passage under the EGR valve?
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Monday, February 1st, 2010 AT 1:06 PM
Tiny
GARYG369
  • MEMBER
  • 2 POSTS
Hi, the code was 401, no I didn't clean passage under egr valve, is it hard? Anything else? Thanks a lot for the reply
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Monday, February 1st, 2010 AT 4:50 PM
Tiny
KHLOW2008
  • MECHANIC
  • 41,815 POSTS
Remove the EGR valve, spray some carb cleaner into the passage under the EGR valve and let it soak for a while. Use a stiff wire or something suitable used to poke the passage to dislodge the carbon and use compressd air to clear them. Repeat a few times if necessary.

Reinstall EGR valve and retest.
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Tuesday, February 2nd, 2010 AT 6:13 AM

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