It would be very helpful if you can give some more detailed info. about your problem. Have you noticed a pattern when the issue is present? Any trouble codes present? If so, what are the codes? What kind of testing was done and what was the results?
i will prepare thoughts on your questions and reply this weekend.one final comment from local reputable shop was.oh , we found connection starter loose.after $1,000 PARTS AND LABOR AND TOWS.MORE LATER.THX FOR GET BACK