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What happens if you change the spark plugs and wires?

What happens if you change the spark plugs and wires?

But, stuff happens. If the coil was bad, and it’s been awhile since you swapped out the wires, the voltage put out by the new coil might just stress the limits of the old plug wires; you might get some arcing in areas where the wires are compromised.

How can I tell if my spark plug wire is bad?

In most vehicles, a bad spark plug wire will be indicated by the ‘ check the engine light ‘ on the vehicle’s dashboard. Be thoughtful enough not to ignore that light. Occasional checking of the ignition cables can show wearing out cables, meaning it is time you got them changed.

How can I fix a bad spark plug?

Match the length of the new set of ignition cables to the old set as you remove each one. Start with the longest cable and finish with the shortest. Then fix the ends of the cable onto the module first, then onto the plug. Rolling out the boot’s edge can help remove air and allow the wire to fit correctly.

When do ignition cables need to be changed?

It’s safest to change your ignition cables before they wear out. That avoids the doubts of being caught off-guard by an engine malfunction because of wearing out ignition cables. The estimated mileage is usually about 60,000 to 100,000 miles. The car manufacturer always explains this in the manual.

Do you have to change the spark plug wire?

If your vehicle came with MAG wires, you MUST replace them with the same type. The third type of spark plug wire is the fixed resistor style. They’re made with a steel or copper core and a resistor located in the spark plug boot. If you car came with them, replace them with the same style.

What can a bad spark plug wire do?

A bad spark plug wires can affect the smooth flow of electrical current which can cause a rough engine idling. Poor fuel economy in a car is a worrisome situation. There could be other reasons like a catalyst issue. But, a bad spark plug wire is a suspect.

What causes a spark plug to jump to the ground?

Heat damage – Engine heat can burn wire insulation and boots. A damaged boot can impede proper spark plug wire seating and performance. Wire insulation that’s damaged by head can allow voltage to jump to the ground rather than jumping the gap at the bottom of the spark plug.

What kind of wire does a Honda spark plug use?

In fact, Honda, Acura, Toyota, and Lexus usually install MAG spark plug wires in their vehicles. MAG wires are made with a spiral wound core of copper/nickel allow wire. The reason for the spiral is that it creates a magnetic field and that field reduces RFI.

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Ruth Doyle