Hello All, I am having a problem that started to appear lately: Whenever I am driving my Honda Insight 2012 and press the brakes and get into auto-stop mode, if I press the gas pedal once I release the brakes, a weird noise and a vibration happens to the car. I changed the 8 spark plugs with...

Everyone interested in their mpg should read C&D's article on pg 32 of the latest issue. Well stated and we can attest to its validity. Wider, heavier, larger diameter tires cut mpg and acceleration.