Check Engine Light due to vacuum leak in EGR tube on Buick Riviera

Submitted by Vehicle Owner · May 29, 2025
Published by RepairPal

Problem overview

The EGR tube may develop an engine vacuum leak causing the check engine (SES) light to illuminate.

2 people reported this problem
1 comment
Schedule Repair

Buick Riviera vehicles with this problem

1 model year affected
Average mileage: 78,000 miles
(78,000 - 78,000)

Search for another problem

RepairPal Car Genius

Ask our experts about your Buick.

RepairPal Car Genius™ is a free resource for vehicle owners seeking advice on maintenance, auto repair, shop inquiries, estimates, and finding a trustworthy repair shop in your area.

 Auto Repair Expert Auto Repair Expert

Call us at 877-913-1554

Available 9am – 6pm ET Monday through Friday

Call Our Experts