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P0306 and rough idle right after starting

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Old 08-02-2011, 03:53 PM
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Year: 2000
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Default P0306 and rough idle right after starting

My 2000 cherokee is idling rough for about a minute after I start it and then it clears up. Check engine light is on and showing code P0306-misfire on cylinder 6. My spark plugs, boots, and engine are less than a year old. The rest of the jeep has 208,000 miles. Would appreciate any ideas on things to check. thanks
Old 08-02-2011, 03:56 PM
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Injectors would cause a misfire too - easy to check - just swap no6 for another one, and see if the misfire moves..
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