A General Motors computer program update recall on my 2007 Yukon (to supposidly make it run better on E85 fuel) reduced my gas milage about 25%. This will cost me around $1,200 every year I own the vehicle!
My GMC dealer tells me this is typical for reprograming all General Motors full size SUVs and light trucks. The dealer and GMC Customer Assistance refuse to restore the origional computer programing or do anything to correct the damage they did.
Do not let General Motors perform this recall on your vehicle! If they have, file a complaint with the BBB (listed in the back of your warranty book) or take other legal action against them ASAP!
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