One problem related to gas recirculation valve (egr valve) has been reported for the 1997 Oldsmobile Achieva. The most recently reported issues are listed below.
(1)54,971 miles "low coolant light" dex-cool coolant guaranteed for 5 years or 150,000 miles reported "dirty coolant" flushed and replaced. Stated no leaks,(2) intermittent "low coolant light" topped up "dex-cool" as per manufactures instructions. (3)56,000 miles replaced hose that had disintegrated (4)59,350 miles "coolant leak" replaced water pump, replaced serp. Belt saturated with coolant. Possible intake manifold leak! engine shampoo because of coolant saturation. (5)62,370miles "coolant leak" replaced intake manifold, and gasket replaced dex-cool for the 4th time. There is a problem with dex-cool coolant causing coolant system to break down. (6) possible rad leak!!!.