P0307
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Senior User
Joined: Jan 2008
Posts: 420
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From: New Hampshire
P0307
So I get this code(P0307) the other day and tooks the plug out to check it and being they arent that much , I threw a new set in. I checked the plug wire/s as well but could not find anything wrong. I am still getting the code. The misfire can barely be noticed at idle or driving around the city but when going up big hills or getting on the gas heavy, then you can hear it. What should i be looking at next, i know this case as nothing to do with a vacuum issue for its only one plug and not a random code..
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Thread Starter
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Senior User
Joined: Jan 2008
Posts: 420
Likes: 0
From: New Hampshire
I am not clear on your complant, i see it done many times and if it was a problem, the admins would do something about it, stop whinning over the little things in life. The engine is in an Expedition and its the 4.6 so I used both to get some help .Thanks though for your words in the other post
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