How To Change Spark Plugs in Your Car with Scotty Kilmer

Scotty Kilmer, a veteran mechanic with 46 years of experience and cult following on YouTube, explains how to change the spark plugs in your car. /// YourMechanic.com offers mobile car repair in over 700 U.S. cities. Repairs, maintenance, and diagnostics — our certified mobile mechanics can do it all at your home or office. Get a fast and free quote at

5 Comments

  1. Unplugging cables? I have a VW, I’m already scared when I take off the plastic cover. Anytime I fiddle under the hood besides checking the oil or refilling washer fluid, something breaks or some warning light comes on. 😅

  2. My car needs help! when on the road number 3 spark plug wires keeps popping out of place, oil I guess gushing out of it, it hesitates, losing power, and it did ran hot til I changed out the thermostat it seems better! I changed plugs/ wires/ caps/ thermostat/ fan switch! I’ll be changing out the throttle positioning sensor and temperature coolant sensor(?) and see if it helps! Bought this car a project so yeah lol

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