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1999 Honda Civic To much fuel getting through

Tiny
HONDA3892
  • MEMBER
  • 1999 HONDA CIVIC
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 155,000 MILES
I have 1999 Honda Civic Ex and I just replaced the intake manifold on it an know whenever I start it, it automatically revvs up to about 5,000 or 6,000 rpms. I cant figure out why its doing this all of the sudden. Any help would be great.
Thursday, June 17th, 2010 AT 6:58 PM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Could be the IACV needs relearning or sticking when you disconnect the battery also check the throttle position sensor.
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Thursday, June 17th, 2010 AT 7:05 PM
Tiny
HONDA3892
  • MEMBER
  • 2 POSTS
Well the intake manifold that I just took off was stock im pretty sure and it didnt have a IACV on it it was sealed off. But the new one I just got has the opening for it. Do I have to have one on there? And how can I check the throttle position sensor?
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Friday, June 18th, 2010 AT 2:16 PM

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