This topic contains 3 replies, has 2 voices, and was last updated by 
Richard Kirshy 2 years, 8 months ago.
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I have a 2007 3.8L buick allure. One night it started running rough. I remeber remembered that I haven’t change the plugs in a while so I decided to change them. In the morning the car was fine but I decided to change the plugs anyways. When I changed the plugs one of the wires were damaged and I temporarily fixed it and the car ran fine. Later that night the car broke down. It was shaking at idle and struggling to run. It was also struggling to start; it only ran fine at high rpm. When I got home I removed the plugs and I noticed that there was either a carbon build up or oil on the threads and possibly the tip. Also when I stepped out if the car, I got a static shock from the body, this happened after running the engine.
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Any engine codes?
No codes but the first-time it ran poorly it gave random misfire code. Not anymore though
Get the engine started then spray water around the ignition wires and coils see if you can replicate the issue.
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