Thread: DME Gone Bad?
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Old 03-20-2020, 03:35 AM   #3
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If you change DME, you need a matching ews box and key chip. All 3 need to be from same car. Can get a ews deleted DME and it should work.

I wonder though.....If the car does runs under any circumstance it seems like the DME is good as it is controlling the engine properly. Though if it doesn't turn the 'check engine' light on that is a problem.

Have you checked all the grounds? I think there are three.
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