Table 1 shows seven common engine and engine cooling related problems of the 2003 Buick Park Avenue. The number one most common problem is related to the manifold/header/muffler/tail pipe (three problems). The second most common problem is related to the engine and engine cooling (two problems).
The contact owns a 2003 Buick Park Avenue. While driving at any speed, the check engine indicator illuminated. The contact pulled the vehicle over and noticed oil dripping down on the spark plugs. The vehicle was taken to a mechanic who diagnosed that the intake manifold gasket was leaking. Read details...
Front center motor mount failed @ 66kmiles. Read details...
The contact owns a 2003 Buick Park Avenue ultra. The contact stated that there was a leak from the engine intake which was repaired by the dealer. Three months later, the failure occurred again. The dealer stated that there was nothing they could do to fix the problem. Read details...