engine idle

Asked by vigilante Sep 26, 2019 at 12:36 PM about the 1991 Chevrolet S-10

Question type: Maintenance & Repair

1999 Chevy s10 2.2l. engine idle goes up and down at slower speeds and at
idle. Autozone codes say cylinder 1 misfire (301). I have replaced #1 fuel
injector, spark plugs, spark plug wires, idle/air control valve, air filter. any
suggestions. please help

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