Make: SAAB with catylytic converter
Record the readings from the Gas analyser when the probe is just reading normal air.
CO: 0% means: Carbon Monoxide
HC: 0 ppm means: Hydro Carbons
CO2: 0% means: Carbon Dioxide
O2: 21% means: Oxygen
Start the engine and measure the Exhaust Gas while the engine is cold.
CO: 0.07%
HC: 129 ppm
CO2: 15.11 %
O2: 0.33%
With the engine warming up
CO: 0.5%
HC: 100 ppm
CO2: 14.3%
O2: 0.48%
With engine at 2500 rpm
CO: 0.01%
HC: 17ppm
CO2: 15.18%
O2: 0.38%
Run the engine rich with propane and measure the results
CO: .011%
HC: 5 ppm
CO2: 15.16%
O2: 0.08
Make a vacuum leak and record the engine while running lean
CO: .004%
HC: 10ppm
CO2: 14.57
O2: 1.12%
The Lambda value is not ok. 1.053
Record the readings when quickly blipping the throttle
CO: 0.039%
HC: 6ppm
CO2: 14.8%
O2: 0.52%
Disconnect a spark plug wire, and record the results
CO: 1.04%
HC: 2200ppm
CO2: 5.01%
O2: 13.36%
Lambda is 1.917
Disconnect the injector harness on a multipoint injection system
CO: 0.9%
HC: 205 ppm
CO2: 4.71%
O2: 14%
Lambda is 2.82
Turn on the air conditioning and measure
CO: 0.023%
HC: 20 ppm
CO2: 14.9%
O2: 0.66%
Lambda is 1.029
According to the results, the emission test with the catalytic converter were alot better then the tests without the catyltic converter.
