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

Problem overview

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

Buick Riviera vehicles with this problem

1 model year affected

1997 Buick Riviera

Average mileage: 78,000 miles

(78,000 - 78,000)

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

Problem overview

Buick Riviera vehicles with this problem

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