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Home >> Oldsmobile >> 1995 >> Achieva SC, 3.1 M >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests - 2.3L >> Emission Systems & Sub-Systems >> Exhaust Gas RECIRCULATION (C-7) >> Notes

Exhaust Gas RECIRCULATION (C-7): Notes

There are 3 types of EGR systems used: pulse width modulated backpressure (positive and negative) EGR with a control solenoid, pulse width modulated backpressure (positive and negative) EGR without a control solenoid, digital and linear EGR. See EGR SYSTEM IDENTIFICATION  .

EGR SYSTEM IDENTIFICATION

Application System Type Solenoid Type
2.3L (1) (1)
(1) Not equipped with EGR valve.