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Home >> Pontiac >> 1990 >> Grand Prix V6-191 3.1L >> Repair and Diagnosis >> Powertrain Management >> Application and ID >> Emission System Application Chart
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Emission System Application Chart



Engine V6-192"/3.1L


Fuel System MPFI


DEVICES & SYSTEMS

AIR (M/T, VIN T ONLY) Air Injection Reaction System
EGR Integrated Exhaust Gas Recirculation System
CEC Computerized Engine Controls
EVAP [1] Evaporative Emission Control System
[1][2]PCV Positive Crankcase Ventilation System
TWC+OC [2] Three-Way + Oxidation Catalyst

[1] EECS is the manufacturer's acronym
[2] This catalyst is contained in one converter