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Forums > > 2001 Altima Intermittent P0303
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Old 04-20-2017, 03:05 AM
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irishsmith irishsmith is offline
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Post 2001 Altima Intermittent P0303

My 2001 Altima has an intermittent problem with P0303 misfire on cylinder 3. It will run rough at times, the light stays on then it runs fine after awhile. Other times it runs rough, light blinks and it continues to run rough. Other times it runs fine? Have changed plugs to platinum (no oil on plugs), replaced plug wires and distributor cap. Intake manifold gasket was replaced a year ago.
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Old 04-20-2017, 12:21 PM
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bennyb53 bennyb53 is offline
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Inspect for worn rotor, replace if needed. Do spark test on cyl. 3 pug wire. Also do compression test if hasn't been done.
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