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S15/T15 Sonoma P/U 2WD L4-2.2L VIN 4
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Powertrain Management
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Scan Tool Testing and Procedures
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Scan Tool Data, Normal Values and Definitions
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Scan Tool Data Definitions - Powertrain Systems
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Rich/Lean to Lean/Rich Ratio Sen. 1
Rich/Lean to Lean/Rich Ratio Sen. 1
Range 0:1-15.93:1
: The rich/lean average is divided by the lean/rich average in order to find the
Oxygen Sensor
(O2S 1)
ratio.