One problem related to engine exhaust system has been reported for the 2003 Buick Park Avenue. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 Buick Park Avenue based on all problems reported for the 2003 Park Avenue.
2003 park Ave ultra 3. 8l series ii engine oil leak, smell of burnt oil concerned about engine fire. Leaks about 1 quart of oil between oil changes.