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burning rich

Old Jul 26, 2006 | 09:01 PM
  #1  
brentpezz's Avatar
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Default burning rich

What would be making my 91 honda civic 1.5 burn rich. Black Smoke coming from the exhaust.???
 
Old Jul 27, 2006 | 05:12 PM
  #2  
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Default RE: burning rich

o2 sensor is bad.
 
Old Jul 27, 2006 | 07:49 PM
  #3  
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Default RE: burning rich

OK. Thanks. I'll give it a try.
 
Old Jul 27, 2006 | 08:01 PM
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Default RE: burning rich

Any cel codes?
 
Old Jul 31, 2006 | 12:55 PM
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Default RE: burning rich

No codes at all.
 
Old Jul 31, 2006 | 03:37 PM
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Default RE: burning rich

My vote is still for an o2 sensor, that's the most common culprit... and codes don't always get thrown.
 
Old Aug 1, 2006 | 06:57 AM
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Default RE: burning rich

anyone done an ex head swap on an hx?
 
Old Aug 1, 2006 | 04:27 PM
  #8  
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Default RE: burning rich

You need to start a different thread about that. And use the SEARCH function.
 
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