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Welcome, I'm Chris (aka Moose).
Which code did you diagnose and come up with test results indicating the ECM is faulty?
Have you done the tests for these codes? If not do you need those tests?
Thanks for the update.
You asked earlier "should you replace the ECM"
No, so far there is not enough information to declare the ECM is to blame. We would need to at least do all of the diag steps for at least one or a couple of the codes to make sure there is a not a sensor or wiring issue. If all issues happened at once then likely each issue is related.
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Hello again Chris here,
I am contacting you because the post has not been closed or rated. We have 7 days to get a post rated before it times out. When a post times out, that means its no longer on my active list (if you reply I never know it.) You have already paid the fees to get this question answered, but it appears your not pleased, or need more help.
Let me help some more. Is there anything else you feel I could offer so you would be pleased with my help. I have the option to call you if that would be better.