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Federal Emissions

  1. CHECK ENGINE light functions as a service reminder indicator and emission system service. CHECK ENGINE light will come on each 50, 000 miles (PCV and EGR), each 80, 000 miles (oxygen sensor) and each 100, 000 miles (charcoal canister) to indicate needed emission system service.
  2. After servicing and/or replacing components, reset CHECK ENGINE light by sliding cancel switch to its opposite position. See CHECK ENGINE LIGHT RESET SWITCH LOCATION (GEO TRACKER) for switch location.
CHECK ENGINE LIGHT RESET SWITCH LOCATION (GEO TRACKER)

Application Location
1989-91 Behind Access Panel, Directly Below Steering Column
1992-94 (1) Behind Instrument Panel, Next To Left Speaker
(1) See Fig 1.
Fig 1: Check Engine Light Reset Switch Location (1992-94 Geo Tracker - Federal Emissions)
G50F12299Courtesy of GENERAL MOTORS CORP.
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