88' Oldsmobile Cutlass Supremem Classic/ 307 Engine/ V8/ My vehicle slows down hesitates like it has no power to go up steep hills, when driving the check engine light comes on momentarily then goes off after I reach the top and back on level ground again. My spark plugs, Wires, Cap & Rotor are all changed could use some advice...

Asked by Jul 25, 2017 at 08:25 AM about the 1988 Oldsmobile Cutlass Supreme

Question type: Maintenance & Repair

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