Cover Story: Parts Replacement

According to data from the AirCare program in British Columbia, which parts are replaced most often has evolved. No data is available from the Drive Clean office. When viewing this data it is important to note that the AirCare program began in 1992, when more carburetor-equipped vehicles were still on the road. Still, by 1999, when Drive Clean was beginning in Ontario, the British Columbia program saw oxygen sensors rise to the top of the popularity list.

Program Year (1992-2000)
Rank	1	2	3	4	5	6	7	8
1	Air Filter	Air Filter	Air Filter	Air Filter	Spark Plugs	Spark Plugs	Oxygen Sensor	Oxygen Sensor
2	Spark Plugs	Spark Plugs	Spark Plugs	Spark Plugs	Air Filter	Air Filter	Spark Plugs	Spark Plugs
3	Distributor Cap	Distributor Cap	Distributor Cap	Oxygen Sensor	Oxygen Sensor	Oxygen Sensor	Air Filter	Air Filter
4	PCV Valve	PCV Valve	Oxygen Sensor	Distributor Cap	Distributor Cap	Cat. Converter	Cat. Converter	Cat. Converter
5	EGR Valve	EGR Valve	PCV Valve	PCV Valve	PCV Valve	Distributor Cap	Distributor Cap	Distributor Cap

This data is contained in the report “AirCare-Results and Observations Relating to the First Eight Years of Operation (1992-2000)” published in December 2001. The complete report, well worth the time to peruse, is available at www.aircare.ca.

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