GM Buick/Oldsmobile/Pontiac/Full-Size 1975-1990 Repair Guide

Vehicle Emission Control Information Label

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See Figures 1 and 2

The Vehicle Emission Control Information (VECI) label is located in the engine compartment (fan shroud, radiator support, hood underside, etc.) of every vehicle produced by General Motors. The label contains important emission specifications and setting procedures, as well as a vacuum hose schematic with various emissions components identified.

When servicing your Buick, Oldsmobile or Pontiac, this label should always be checked for up-to-date information pertaining specifically to your vehicle.

Always follow the timing procedures on this label when adjusting ignition timing.



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Fig. Fig. 1: General Motors emissions decal, 1979 231 V6 shown.



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Fig. Fig. 2: Emissions label location

 
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