Originally Posted by
1project2many
Whew. There's a lot of reading to go over. And I have a feeling that you're not going to like the "by the book" suggestions you're likely to continue to receive. But the people who do a good job diagnosing EFI system problems also understand that the systems do not like seat of the pants changes and good enough for me settings.
Diagnosing troubles like the Suburban's takes accuracy and observation. For example, you said in your first post here that the problem occurs 20 seconds after startup. I looked through the log you posted for signs of a problem 20 seconds after startup. In a post in one of your links you say 15 seconds, and then in a third you have a different time again. For people who work with computers, if you give a specific time or value we often rely on that number to be accurate. And when we respond with specific numbers we mean exactly those numbers. It's not because we're that way. It's because computers are that way. This way of looking at problems can be tough for non-computer folks to work with but it can make all the difference between finding and missing an issue. Now, on to the help.
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