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1993 Chevy Lumina

Tiny
REALDEAL_219
  • MEMBER
  • 1993 CHEVROLET LUMINA
1993 Chevy Lumina 6 cyl Front Wheel Drive Automatic

I have a broken bolt on the top of my intake manifold would this cause air to seep in. It does have a gap where the bolt is broken off. Could this be the reason that my car idles to high?
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Tuesday, November 2nd, 2010 AT 11:11 AM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Could be try sealing it and see what happens
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Tuesday, November 2nd, 2010 AT 11:15 AM
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
If you have a speed density system, map sensor only, unmetered air can cause the idle to go high. Any applicable mil codes? You can check throttle valve-- check iac-- clean throttle-body.
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Tuesday, November 2nd, 2010 AT 11:30 AM

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