Bear 400- 4 Gas Exhaust Emissions

Name:________________________

Date:_______________

1. From the 4-gas printout of your test vehicles exhaust emissions, the graphs at the top of the page represent what types of values? _____________ and __________________
2. What RPM range is indicated in the graph on the left for the sample four gas test? (sample #1. TM 1210 service tool handout) _________ . RPM for your vehicle test? ___________.
3. What ppm hc (parts per million hydrocarbons) is indicated on the right hand sample #1. Graph? _____________ Your test? _________________
4. From the sample #1. TM 1210 service tools handout, determine if the sample vehicle passes emissions according to the specs.
   

   		PASS	FAIL
   Low Speed	% CO (Carbon Monoxide)	________	________
   Low Speed	PPM HC (Hydrocarbons)	________	________
   Low Speed	% CO2 (Carbon Monoxide)	________	________
   Low Speed	% O2 (Oxygen)	________	________
   High Speed	% CO	________	________
   High Speed	PPM HC	________	________
   High Speed	% CO2	________	________
   High Speed	% O2	________	________

5. Now use your vehicle's test data to do the same !!!

   		PASS	Fail
   Low Speed	% CO (Carbon Monoxide)	________	________
   Low Speed	PPM HC (Hydrocarbons)	________	________
   Low Speed	% CO2 (Carbon Monoxide)	________	________
   Low Speed	% O2 (Oxygen)	________	________
   High Speed	% CO	________	________
   High Speed	PPM HC	________	________
   High Speed	% CO2	________	________
   High Speed	% O2	________	________