1998 Toyota Tacoma First Time Having Trouble Engine Bought New Most Likely

1998 TOYOTA TACOMA
244,000 MILES
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First time having trouble with the engine. Bought it new. What is the most likely cause of a misfire on cylinder #3? Replaced the EGR, fuel cap, oxygen sensor, And plugs. Stll getting the P0303 code.
Dec 5, 2012 at 7:14 PM
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KHLOW2008
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Plug wires, distributor cap or ignition coil pack if distributorless. If distributorless, try swapping the coil pack to test if misfiring migrates.
Dec 5, 2012 at 8:43 PM
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