FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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1999
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Express 1 Ton Van V8-5.7L VIN R
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Repair and Diagnosis
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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 BN 2
Rich/Lean BN 2
(Rich/Lean)
The Rich/Lean Bn 2 parameter indicates the oxygen content in the exhaust gases in bank 2. Rich indicates low oxygen content, lean indicates high oxygen content.