Quote:
Originally Posted by KRAM36
Pull the spark plug from from cylinder 4, since that's the cylinder the had no compression in your first post and see if it looks something like this.
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While doing the diagnostic the shop removed and replaced all plugs with new plugs to rule-out any problems coming from the plugs. He didn't mentioned any major damages to the plugs except the following in his report: "R&R all spark plugs, found plugs to be carbon tracked"