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cmyoung2007 replied to the thread Spark plug issues!!!.https://pdf.ac/117UTN Can anybody tell me what the electrical connector below the valve cover attached to the side of the engine block... -
cmyoung2007 replied to the thread Spark plug issues!!!.It still makes a misfiring code come on as pending/stored. I’ve been dealing with the check engine light for a couple days now on that part.
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cmyoung2007 replied to the thread Spark plug issues!!!.https://share.icloud.com/photos/086LHON4VH0jMZkctkmP0Ndmw Will ya’ll lmk if this works? One and two are the ones that misfire the most.
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TYF can't host videos, but you can host it somewhere else and post a link to it here.
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cmyoung2007 replied to the thread Spark plug issues!!!.I can tell you the misfire numbers are way lower than what they were to begin with after changing to ngk and you could hear the misfires...
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cmyoung2007 replied to the thread Spark plug issues!!!.Yeah, I know that now. It didn’t click in my mind right at that moment.
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cmyoung2007 replied to the thread Spark plug issues!!!.Ahhh, okay. Odds on driver side, and even on passenger side.
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cmyoung2007 replied to the thread Spark plug issues!!!.I took a video, but it won’t let me upload it. Are you talking about the coils?
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cmyoung2007 replied to the thread Spark plug issues!!!.I am watching the misfire count as I’m driving, and the only cylinders that aren’t misfiring are seven and eight.
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That is why I asked about what else you may have disturbed or unhooked for access/clearance. If you messed with/moved/unhooked a ground...
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cmyoung2007 replied to the thread Spark plug issues!!!.I didn’t move or unhook anything except swap ignition coil one and two to see if the misfire would happen and to see if it was a cause...
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cmyoung2007 replied to the thread Spark plug issues!!!.Could it be a coincidence that all of my ignition coils failed?
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cmyoung2007 replied to the thread Spark plug issues!!!.I used a Hart 5/8 spark plug socket.
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cmyoung2007 replied to the thread Spark plug issues!!!.I did not use dielectric grease on the spark plug wires this time. The Tahoe has almost 300,000 miles on it. It’s sitting at 298,600...
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Welcome to the forum from Oregon. You did not say which engine, why you were replacing the plugs and wires to begin with and you did...
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