I tried to upload a video but it's too big. My idol is going up and down while in park and when I put it into gear the engine sounds like a drum being hit. It's running rough, my stabilization is off and check engine light blinks.
Not that I'm incapable, but I am "newer" to doing all this on my own, can you tell me how to do that? I've only assisted on all repairs for the last 20 years and now doing it myself.
***edit*** I just looked up how to do that and no, I don't have the tool to do so.
Old thread but applies to my issue too and hoping you can help me. 2008 Yukon XL flex fuel. Changed the coil and the spark plug and still getting the code. Swapped the cord to see if that was the issue but it didn't move and is still say #4. Now what?
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