T O P I C R E V I E W
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adower
Member # 5955
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posted
Here are my #'s
15mph- 13.4 %co2 1.7 %O2 HC-max-85 Measured-85 CO%- max-.5 meas-.01
25mph-13.5 %co2 1.6 %O2 HC-max-50 measured-50 CO%-max.47 measured.01
What does all this stuff mean?
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Curt
Member # 6254
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posted
High NO - high combustion temps - retard timing, check EGR for operation. High CO - EGR isn't working - fix it. High HC - fuel mixture too rich - check O2 sensors, smog pump, and cats. Clean MAF element.
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Luke87GT
Member # 21
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posted
the man pretty much hit the nail on the head
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adower
Member # 5955
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posted
quote: Originally posted by Curt: High NO - high combustion temps - retard timing, check EGR for operation. High CO - EGR isn't working - fix it. High HC - fuel mixture too rich - check O2 sensors, smog pump, and cats. Clean MAF element.
So I need to check my fuel mixture, O2 sensors, smog pump, and cats. Clean MAF element. Thank you for the help bud [ July 13, 2008, 06:39 PM: Message edited by: adower ]
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2stangs69-91
Member # 1951
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posted
? I thought the CO measured .01 on both tests. HC looks a little high did your car fail or pass?
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adower
Member # 5955
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posted
quote: Originally posted by 2stangs69-91: ? I thought the CO measured .01 on both tests. HC looks a little high did your car fail or pass?
My car barely passed. I measured the maximum amount for HC. The Co's did measure .01 but that is way way less than the maximum acceptable limit of .5 or whatever it is. [ July 13, 2008, 07:37 PM: Message edited by: adower ]
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2stangs69-91
Member # 1951
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posted
I thought it passed buy looking at the numbers. If you had any real problems you would have failed.
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adower
Member # 5955
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posted
quote: Originally posted by 2stangs69-91: I thought it passed buy looking at the numbers. If you had any real problems you would have failed.
Yah it passed but just barely. One more unit of HC and I would have failed. I am guessing my car is running rich so I will do the cheap stuff first. Check timing, clean Maf. If that doesnt help ill check into the 02s, cats, etc.
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