Spark Plug Service

Spark Plug Service & Replacement at Stanley Ford Sweetwater

Spark plugs play a key role in your car’s engine performance. The spark plugs ignite the fuel mix in your vehicle’s engine at the precise moment that allows for optimal fuel efficiency, power, and low emissions. Spark plugs wear out and become weaker as they age. Because they lose their effectiveness, they need to be replaced regularly. Replacing all the spark plugs at the same time is important for even spark distribution across all the cylinders.

Service & Parts Specials

Schedule Service

Spark Plugs Replacement Guidelines

Spark plugs require replacement at regular intervals. Usually, plugs are replaced at 30k, 60k, and 100k miles. Check your vehicle owner’s manual, it should have a section highlighting recommended spark plug replacement. In some situations, a plug may fail earlier than it should, which could be a sign of other issues with the engine. Letting a professional service team diagnose any problems can keep your vehicle operating at its best.

• The warning signs of bad spark plugs
• Your car won’t start
• Your check engine light comes on
• Frequent or continued misfires; can cause engine damage
• Overall loss of power and poor fuel economy
• Rough idle or excessive vibration coming from the engine
• Operating a vehicle with bad spark plugs

Most vehicles can still run if one of the plugs are bad. Continued operation with bad plugs can cause engine damage. An engine that continuously misfires will have a loss of power, and poor fuel efficiency and performance. Overheating due to vibrations caused by a misfiring engine can affect other components. Computer controlled ignitions may not start if it reads a misfire code. Your best solution is to replace all the plugs even if only one has gone bad. This ensures even spark and optimal engine performance.
Most vehicles have 4, 6, or 8 spark plugs. The best practice is to replace all the plugs at the same time, even if only one plug has gone bad, replacing them all at the same time is recommended.

The Mechanics of Spark Plug Replacement

When keeping your car operating at peak performance, choosing a quality service provider is essential. Our team of certified mechanics can replace your plugs properly. We have the right parts on hand for your specific vehicle and the knowledge and know-how so you can be confident that your ride is in the right hands

• Use recommended spark plugs for your vehicle
• Retrieve engine codes to diagnose issues
• Check old plugs for signs of other engine issues
• Replace the spark plugs
• Set the torque to the proper specification
• Road test vehicle

Spark Plug Replacement Costs May Vary

When factoring in the cost of spark plug replacement, keep in mind that not all vehicles are the same. If your vehicle requires the intake manifold to be removed in order to access the plugs, this can create an additional labor charge. Faulty ignition coils, bad plug wires, and leaking valve cover gaskets may be issues that need to be addressed and can cause the price of a spark plug replacement to go up.