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International Automotive Technicians Network
1990 Pontiac Grand Am GP NOx
Posted to Emissions Forum on 9/15/2004 6 Replies

15mph/50% load:

measured-limits

HC 130ppm-121ppm failed

CO .71%-.76% passed (barely)

NOx 2440ppm-807ppm gross polluter

O2 1.1

CO2 13.7

25mph/25%load:

measured-limits

HC 134ppm-96ppm failed

CO.83%-.65% failed

NOx 2434ppm-746ppm gross pollu... Login to read more.

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