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Pontiac Workshop Service and Repair Manuals

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Oxygen Sensor > < Manifold Pressure/Vacuum Sensor|Specifications

Bonneville V6-231 3.8L VIN 3 SFI (1988)

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Fig. 7 Vacuum sensor diagnostic chart. All models with vacuum sensor (use this chart with EST diagnostic & performance charts)

Oxygen Sensor > < Manifold Pressure/Vacuum Sensor|Specifications