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Car runng hot and rich Why

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Old Apr 23, 2004 | 09:47 PM
  #1  
Z03Z28's Avatar
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Joined: Oct 2001
Posts: 319
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From: Baltimore Maryland U.S.A
Car: 92Z28,98LegacyGT,ZX9R,91 Z28,02 Z71
Engine: 350,307,2.5,900cc,5.0
Transmission: 700r4,4spd auto,700r4,4L80
Axle/Gears: 323,?,323,?,373
Car runng hot and rich Why

I have a 92 Z28 350 TPI.It just started running hot.
It failed emmitions.It's running rich and is down on
power and I can't figure out why.It's driving me nutts.
I have 61,688 miles and it is stock.

Thanks To all
I love these things
:rockon: :rockon:
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Old Apr 25, 2004 | 01:24 PM
  #2  
Vader's Avatar
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Failed emissions in what categories? HCs? NOx?

Is the oxygen sensor fresh, or original?
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Old Apr 25, 2004 | 06:04 PM
  #3  
Z03Z28's Avatar
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Joined: Oct 2001
Posts: 319
Likes: 6
From: Baltimore Maryland U.S.A
Car: 92Z28,98LegacyGT,ZX9R,91 Z28,02 Z71
Engine: 350,307,2.5,900cc,5.0
Transmission: 700r4,4spd auto,700r4,4L80
Axle/Gears: 323,?,323,?,373
It's all OM.It failed hydrocarbons and carbon monoxide
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Old Apr 25, 2004 | 07:00 PM
  #4  
RB83L69's Avatar
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Joined: Jul 1999
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From: Loveland, OH, US
Car: 4
Engine: 6
Transmission: 5
Might want to check for codes; change the O2 sensor.
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Old Apr 25, 2004 | 08:03 PM
  #5  
Z03Z28's Avatar
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Joined: Oct 2001
Posts: 319
Likes: 6
From: Baltimore Maryland U.S.A
Car: 92Z28,98LegacyGT,ZX9R,91 Z28,02 Z71
Engine: 350,307,2.5,900cc,5.0
Transmission: 700r4,4spd auto,700r4,4L80
Axle/Gears: 323,?,323,?,373
I checked for codes not one bad code.
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