Spark plug leads are an important a part of an inner combustion engine. They join the spark plugs to the ignition coil, which offers {the electrical} present that creates the spark that ignites the air-fuel combination within the cylinders. Defective spark plug leads could cause a wide range of issues, together with engine misfires, decreased energy, and elevated gas consumption.
You will need to examine spark plug leads usually to make sure that they’re in good situation. This may be achieved by visually inspecting the leads for any indicators of injury, reminiscent of cracks, cuts, or fraying. It’s also essential to examine the resistance of the leads utilizing a multimeter. The resistance must be throughout the producer’s specs. If the resistance is just too excessive, the lead won’t be able to conduct electrical energy correctly and can have to be changed.