LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Chevrolet >> 1983 >> Monte Carlo Base, 4.3 V >> Repair and Diagnosis >> Engine Performance >> System >> EGR System - Gasoline >> Operation >> Exhaust Back-Pressure Modulated EGR System >> Notes
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Exhaust Back-Pressure Modulated EGR System: Notes

Two types of back-pressure EGR valves are used, either a positive or negative back-pressure valve. Operation of these 2 systems is as follows: