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Thread: Prius MPG is Dropping
07-01-2008 08:04 AM #1
- Join Date
- Jul 2008
Prius MPG is Dropping
Does anyone know what the the official Toyota procedure is for testing the traction battery pack, and what the criteria is for initiating such a test ?
I ask because one of my prius's is starting to become less efficient - that is the average MPG is dropping.....it has 22 k miles on it, and the driving conditions have not changed. I suspect the traction battery is failing.
I dont trust the dealers, so before I take it in, I am gathering information.