In 1981, two-way catalytic converters were rendered obsolete by three-way converters that also reduce oxides of nitrogen (NOx); however, two-way converters are still used for lean-burn engines.n vehicles with OBD II, a second oxygen sensor is fitted after the catalytic converter to monitor the O 2 levels. The O 2 levels are monitored to see the efficiency of the burn process. The on-board computer makes comparisons between the readings of the two sensors.
Prosper, Texas. Homefacts City Report. Prosper is located in Collin County, TX. The population is 9,960, making Prosper the 6th largest city in Collin County. There are 8 public schools in Prosper with an average Homefacts rating of A+. The total crime rate for Prosper is very low, and there are 4 registered sex offenders residing in the city.
Welcome to Parmer County. Organized in 1907 from a portion of the famous XIT Ranch, the county covers 882 square miles bordering New Mexico in the south-central Texas panhandle. With a population of just over 10,000, our county includes the communities of Friona, Farwell, Bovina, and Lazbuddie, each the home of award winning schools. At an altitude of 4100 feet, we average over 250 days of sunshine and 15â³-16â³ of precipitation annually.