| Small Gasoline Engine Diagnostic Test Reports |
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Date : 02/12/98 John Deere Co. Training Facility Commercial Mower Model #48 Before Catalyst Install Results |
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| Idle RPM | High RPM | ||||
| HC (ppm) 67 | HC (ppm) 34 | ||||
| CO (%) 1.19 | CO (%) 1.61 | ||||
| CO2 (%) 3.60 | CO2 (%) 3.70 | ||||
| O2 (%) 14.31 | O2 (%) 13.97 | ||||
| NO (ppm) 0 | NO (ppm) 0 | ||||
After Catalyst Install Results | |||||
| % Reduction 80 % 55 % |
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| Idle RPM | High RPM | % Reduction 24 % |
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| HC (ppm) 13 | HC (ppm) 26 | ||||
| CO (%) 0.53 | CO (%) 1.63 | ||||
| CO2 (%) 1.30 | CO2 (%) 4.00 | ||||
| O2 (%) 19.87 | O2 (%) 13.59 | ||||
| NO (ppm) 0 | NO (ppm) 0 | ||||
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