Sweet smell problems with electrical, vaccume ,throttle and now transmission com

Smells can be the result of fluids contacting hot surfaces and creating fumes. It's hard to know without a goof physical inspection, but it's possible you have had some kind of fluid leak. Whether your transmission engagement concern is related or not remains to be seen via testing, however it really doesn't change the outcome -- you need to have the concern inspected and diagnosed. www.repairpal.com/repair-shops