1996 Honda Civic System Too Lean (Bank 1)

1996 HONDA CIVIC
134,000 MILES • 4 CYL • FWD • AUTOMATIC
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GHERNAND
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I have a 1996 Honda Civic Ex, the Check Engine light is on and after going to Autozone to check it out, they told me that is has this problem: System Too Lean (Bank 1). When I press on the gas my car makes this vaccuming sound or a blowing sound, not sure. It is a high pitched sound. Any ideas on what I need to do.
Dec 10, 2008 at 6:05 PM
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ZACKMAN
  • ✓ASE Certified Mechanic
  • 4,202 POSTS
  • ASE Certified Mechanic
You have vacuum leak. You need to pinpoint where the leak is coming from. Usually from a broken/disconnected vacuum hose.
Dec 11, 2008 at 12:22 AM
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