chevrolet Workshop Repair Guides

Chevrolet Workshop Service and Repair Manuals

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Engine - Chuggle at 40-45 MPH/Tip-In Hesitation|Page 2483 > < Engine - Chuggle at 40-45 MPH/Tip-In Hesitation|Page 2481

Monte Carlo V6-231 3.8L (1982)

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point and flow rate.

NOTE:  Ported Vacuum, Positive Back Pressure, and Negative Back Pressure EGR valves can be identified by the pattern on the back of the diaphragm
plate. Ported Vacuum EGR valves have a raised circular rib on the diaphragm plate. Positive Back Pressure EGR valves have a slightly raised X-shaped
rib on the diaphragm plate, while Negative Back Pressure EGR valves have a substantially raised X-shaped rib.

Engine - Chuggle at 40-45 MPH/Tip-In Hesitation|Page 2483 > < Engine - Chuggle at 40-45 MPH/Tip-In Hesitation|Page 2481