1999 Buick Park Avenue Repair Question

Topics covered: Exhaust, Exhaust smell, Gas.
Mileage: 134,500 miles.

Asked on September 7, 2011

My 99 PA's exhaust smells funny and car flutters in gear. What's wrong?

99 park avenue exhaust smells funny Like sulfur of fireworks
When I step on the gas in gear the car flutters

Asked by Lito96792

Replied on September 7, 2011

Suspect Catalytic convertor faulty

Answered by Docfixit (expert)
18,416 answers provided