WARNING: Leaking SPARK CONTROL HOSES create havoc and are often characterized by one or more of these symptoms: ROUGH IDLE, FLAT SPOTS, HARD STARTING, POOR FUEL ECONOMY, SPUTTERS, KNOCKING and POOR ACCELERATION. NOTE: The diagrams supplied with these SPARK CONTROL HOSE KITS illustrate the relative position of the various parts that are connected. For the sake of clarity, some of these parts may be slightly shifted from their actual location to allow a clearer picture of the routing and connections. For this reason, some hoses may falsely appear to be Longer or Shorter than others in these diagrams.