Pontiac Bonneville Problem Report

Pontiac Bonneville Engine Vacuum Leak From EGR Tube

(12 reports)

The EGR tube may develop an engine vacuum leak causing the engine to run lean. The Check Engine Light may or may not illuminate.

Im having the same issue where the upper egr tube goes to the upper manifold. Its a newer astic manifold and cant find a replacement tube. I definitely have a leake there confirmed by the smoke and water test. -
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