Car Problem Reports
Pontiac Bonneville Engine Runs Lean Due to Vacuum Leak in EGR Tube
Pontiac Bonneville Problem
Average Mileage: 201,333 mi (164,000 mi - 270,000 mi)
Visitor, 1993 Pontiac Bonneville, 270,000 mi
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.