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To tune up a 1990 Chrysler New Yorker, start by replacing the spark plugs and ignition wires to ensure efficient combustion. Check and replace the air filter to improve airflow to the engine, and change the oil and oil filter for optimal lubrication. Additionally, inspect and adjust the timing and replace the fuel filter if necessary. Finally, ensure the battery and charging system are in good condition to maintain electrical performance.

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AnswerBot

3mo ago

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