Quote:
Originally Posted by mad_sb
I believe toyota at one time thought it was related to ethanol content but from the reports we have on the forum, ethanol content makes zero difference as there are some folks on E Free fuels exclusively that have chirps all the way to people on E85 that have seen no change from E10.
Not to mention the change in lubricating properties from E0 to E10 are minimal at best.....
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It for sure has to do with the ethanol. The day I bought my car it was fine. The very first fill up with 10 % ethanol was immediate chirps. It really isn't even a question. At least one cause for the chirping is this. I left the state and as soon as I fill up with a non ethanol blend it goes away. Again for sure atleast one thing for sure 100 % is the ethanol. It sucks your on here diluting a possible solution because you dont have identical symptoms