Can anyone please explain to me, in detail, how to get these so called 'ECU codes?'
Are these the same kind of codes you'd get when testing on an OBD2?
What if your check engine light is NOT on?
I just have a high idle and all other tests have failed, I think the problem is in the ECU. Can anyone please explain how to test an ecu to see if its working properly?
any help is greatly appreciated
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