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Add a bottle of fuel injector cleaner to a full tank of gas....if after that tank is gone you are having problems, its probally the fuel FILTER. Trying changing it if it hasn't been already done. If you STILL are having problems that seem to be fuel related it might be a bad pump, fuel injectors themselves dont usually cause any trouble unless your wiring harness is damaged

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Q: How do you clean injectors on a 1991 Buick Park Avenue?
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