Runs rough, Diag with scanner and scope

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Posted to Technical Discussion Forum on 2/8/2021 26 Replies

Hi all,

A good customer brought his Escalade in today with a rough running complaint. I pulled it in the shop and it was running rough. Scanned it and got code P0300. Looked up misfire counters and #7 Cylinder had counted 9000+ misfires. Knowing this engine ... Login to read more.

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