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So I did some digging and apparently e10 burns hotter than both e0 and e85, which both have been claimed fixes. If these claims are true, then obviously, too much heat is the culprit. This makes sense, since crickets cannot be heard on cold start, but rather after car is warmed up at idle and why the crickets aren't as prevalent in cold weather.
The two systems potentially at fault that have been discussed are the high pressure fuel pump and the injectors. Now, to me, injectors would make more sense based on the fact that they are being exposed to combustion heat much more directly than the fuel pump. Although when dealerships replace fuel pumps, the crickets do seem to go away temporarily, so maybe it is the fuel pump at fault? Any thoughts?
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