Avoid buying cheap plug wires which seem all right seeing. SolutionĬhange your spark plug wires once between 60,000-90,000 miles of running. A medium-quality one can last for around 25,000-40,000 miles. Its durability depends on how good the quality of the spark plug wire is.Ī quality plug wire can last flawlessly for around 60,000-70,000 miles. However, if the insulation is okay, this should not be any concern. Check that two cylinders that fire right together isn’t touching. Make sure that they are not hitting any other metal. In that case, electricity finds a new path to travel. If two cylinders that fire next to another touch, they can cause an energy leak. That’s why they should be checked every time the plugs are cleaned. So, replace it with the help of a mechanic.īad ignition switches cause many problems with the vehicle. If there’s no blown fuse, it means your ignition switch is detonated. If the wire inside the fuse is detached, it means the fuse is blown. So, when the ignition system is bad, the electricity finds an easier way to travel. Naturally, electricity travels through the path of least resistance.
You’ll know it as the starter motor will make no noise. Often the spark plug wires arc because of a bad plug or unstable ignition system. This establishes a connection between the coil and the spark plug. Once the plug is pushed inside, the grease is pushed up into the wire. Put it back in the cylinder once you are done. Pressure the grease with your finger so that it reaches 1 inch from the top. Smear some dielectric grease into the wire. This happens if there is no dielectric grease between the coil and the plug. This happens because the connection detonates between the coil and the plugs. You might also notice flickering headlights. If you have this problem, your engine will crank but not start. The most likely reason for this problem is a bad ground connection. Without any further ado, let’s dive right in. We have come up with some reason and solution guide to fix your arcing spark plug wire. So, now that you have identified the arcing, let’s look into the solutions. But if the value changes, it means there are internal flaws in the plug wire.
If you see the resistance is constant, it means that it’s okay. Then connect both wire ends to the ohmmeter. Multimeter Inspectionįirst, set the multimeter unit to ohm. Look for any marks that have ruptured the insulation of the wire.Īfter inspection, you’ll easily know if you have any of these problems. Make sure there are no cracks or burns around the clip area. You can identify it easily by comparing it with a new plug wire. You’ll have to look for three things – corrosion, burnt marks, or cut marks.
Visual inspection can be difficult to do when the plugs are in your car. If the wires are sparking, it means that the wires are shorting and arcing 2. Take a spray bottle and mist clean water on the spark plugs around the distributor area. To do this test, you need a dark place or, you won’t see the spark. To identify clearly, follow any of the steps below. One or two symptoms like this confirm that you have an arcing plug wire. Sometimes you can hear a high-pitched squeal from the radio. For instance, you’ll notice an engine misfire. If your spark plugs are arcing, they will definitely show some symptoms.
Motocycle bad spark plug symptoms how to#
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