I have a 2005 honda civic, and my brother a 2004. Both cars hesitate at low speeds when its cold outside. Going from a dead stop its like your gasing, letting go of the gas for a second, then gassing again. This only lasts for the first few minutes while the car is cold. The colder it is outside, the longer it lasts. My previous car was a 2003 honda civic, which did not have this problem. Any ideas? Would buying one of those "performance chips" (resistors) possibly make any difference? Thanks