1994 Saturn SW1 diagnostic codes

  • 1994 SATURN SW1

Engine Mechanical problem
1994 Saturn SW1 4 cyl Two Wheel Drive Automatic 160000 miles

we tested car with diagnostic eqipment and the following codes were displayed. 23, 27, 74, and83. Can you tell me the problem these each represent. Also what is the ect/tft ratio. Thanks al

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Monday, June 1st, 2009 AT 10:37 PM

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