FBerry

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Car Review: 2008 Toyota Corolla
November 25, 2011, 12:44 PM
My 2008 Toyota Corolla was getting 35 mpg. I got a recall notice on the ECM and had it changed. Prior to the change the shop foreman repeatedly stated that the ECM had nothing to do with the car's gas mileage. After the ECM change the gas mileage dropped to 26 to 28 mpg. We return to the dealer and he still states the ECM had nothing to do with the excessive drop in gas mileage. We took the car elsewhere to have the computer tested. They told us all seemed to be in order as far as the sensors. Besides the ECM, is there something else that could be wrong that caused the gas mileage to drop immediately after the ECM change?
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