Hi, My Dad has a 96 Maxima. Running very rough at low idle, especially cold. Took to dealer and told the fuel injectors were bad and needed to be replaced. 110k miles. I did some surfing and noted this is a common problem with this engine. BUT do you really need to replace all 6 injectors? Seems luxurious. Called another mechanic and he said all injectors need to be replaced in order to keep the engine 'balanced.' Hmmm. Also, noticed in other thread about a coil. Seems like a cheaper issue to try first. SUggestions?