Buick Repair Questions? Ask a Mechanic for Answers ASAP
Hello, my name is***** the light is blinking that means a cylinder is misfiring which usually means either spark plug, wire, or ignition coil. I'd start by checking spark strength of each coil lead, replace any coil that does not provide strong spark. If they all have strong spark then replace the plugs/wires. This would be around a $300 job at a shop depending on problem. Let me know if you have more questions, thanks.