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Ignition Cable (Spark plug wires) Replacement

Auto Repair & More, Right to Your Door!

What do the spark plug wires do? The spark plug wire has a seemingly simple job: Carry the high-voltage electricity produced by the ignition coil to the terminal of the spark plug. Once at the plu? the electricity travels to the other end of the plu? and jumps a gap between electrodes to produce the spark that ignites the fuel mixture. Because high-voltage electricity looks for an easier path to jump across than a pair of electrodes in a spark plu? containing the electricity within the wire takes a thick jacket of insulatio? and some plugs have an outer jacket to resist cut? high underhood temperature? etc. If that outer jacket is damage? the electricity may leak out to follow the easier path. How do you know you need your spark plug wires replaced? Engine light is on Engine is misfiring Vehicle is running rough Issues starting the vehicle Poor fuel economy Wires are arking How is the spark plug wires replaced by a mobile mechanic? Battery power is disconnected Compression tested (if required) Ignition wires are removed New spark plug wires are installed Battery is connected and system testing How important is having your spark plugs wires replaced? Your spark plugs ignite the air fuel mixture entering the engine. If they are not running at their maximum level it will affect the vehicles operation. When replacing the spark plugs with your tune u? we recommend replacing your wiring harness also known as the ignition wires which carries the voltage to the spark plugs. When changing the spark plug wire? if the spark plugs have not been changed its recommended to have them changed as well at the same time.


5-Star Service

5-Star Service

"I'm a big fan of this incredibly convenient service! GoWrench staff do a great job and respect your time, unlike the nightmare that is involved in visiting the dealership/auto shop just to get your tires rotated or oil change. I shouldn't have to lose a day of work, two times a year, just for regular maintenance & tire swaps -- and with GoWrench, I never have to deal with the patronizing, dirty, and time-consuming service at the car dealership or auto shop, again!"

Ainslie Enkelaar

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How it Works


Select Service(s)

Get an instant online price for most maintenance and tire services.  For repairs, you can book a service call and a mechanic will diagnose the concern and give you a quote, on-site. If you would like a quote before we see the vehicle, you can Request a Quote in as little as 60 seconds and receive your quote by email or phone, usually within 1 business hour.


Book a Time

After selecting your service(s) (or a diagnostic), simply select a day & time that works best for you and we will dispatch our best-suited technician or mechanic, based on your vehicle & needs. You will receive a confirmation email with the details and a reminder email/SMS as well. Auto care has never been easier!


Receive Service

Once the technician arrives, they will explain the work order, what they will be doing and then begin work on your vehicle. In most cases, a complementary Digital Vehicle Inspection will be completed so you can have peace of mind that your vehicle is in good condition or what may need to be addressed in the future.

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Check prices &/or schedule a service online, or give us a call

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