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Spark Plug Replacement

Auto Repair & More, Right to Your Door!

What does the spark plugs do? Sparks plugs play an important role in the overall operation of your vehicles engine. The number of spark plugs in your engine depends on the number of cylinders it has. When you turn the ignitio? it not only sends power to the starter to turn the flywheel and start the piston? crankshaf? etc. It also sends voltage to your ignition coi? then through the wires to your spark plugs. Your spark plugs take that energy to generate a spark that ignites the fuel-air mixture in the cylinder. The spark plugs are constantly generating a spark as the vehicle is running and as the pistons compress when the fuel and air are mixed. If a spark plug is not functioning properl? it will cause the vehicle to run rough. How do you know you need your spark plugs replaced? Engine light is on Engine is misfiring vehicle is running rough issues starting the vehicle poor fuel economy How is the spark plugs replaced by a mobile mechanic? Battery power is disconnected Compression tested (if required) Ignition wires/boots are removed Spark plugs are removed Wells are inspected for oil or dirt New spark plugs are installed Boots/wires are re-installed Battery is connected and system testing How important is having your spark plugs 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.


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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