FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Car repair manuals for everyone.
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Firebird V8-5.7L VIN G
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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 Definitions - Powertrain Systems
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PNP
PNP
The scan tool displays PARK/NEUTRAL or R-D321. When the transmission is in park or neutral the scan tool displays PARK/NEUTRAL. When you place the gear selector into reverse or any forward gear position, the scan tool displays R-D321.