Smooth Out Your Rough Idle Spark Plug & Ignition Coil Service in Central NC You are sitting at a red light, and suddenly your car feels like it is shivering. The steering wheel vibrates, the RPM needle bounces up and down, and when the light turns green, the car hesitates or “sputters” when you try to accelerate.
This is called an engine misfire, and it is one of the most common issues drivers face. It means one or more of your engine’s cylinders isn’t firing correctly. While it might seem like just an annoyance, driving with a misfire can ruin your catalytic converter—a repair that costs thousands. Wagner Mobile Mechanic Service comes to you to diagnose and fix these issues, restoring your engine’s power and smoothness right in your driveway.
Our Ignition Service Advantages
Computerized Cylinder Balance Tests Restore Fuel Economy Prevent Catalytic Converter Damage Restore Fuel Economy Prevent Catalytic Converter Damage Premium Ignition Parts
Understanding the “Fire” in Your Engine Diagnosing Spark Plugs, Coils, and Wires For your engine to run smoothly, it needs three things: air, fuel, and a spark. When that spark is weak or missing, the fuel doesn’t burn, causing the engine to shake. We specialize in identifying exactly which part of the ignition chain has failed:
Spark Plug Replacement Spark plugs are the match that lights the fire in your engine. Over time, the electrode wears down, making the gap too wide for the spark to jump. We remove old, fouled plugs and install factory-specified replacements (Iridium or Platinum) to ensure a hot, consistent spark and maximum fuel efficiency.
Ignition Coil Packs Modern cars don’t use distributors; they use ignition coils (often one for each cylinder). These coils transform battery voltage into thousands of volts needed to create a spark. When a coil fails, that specific cylinder stops working entirely. We test each coil under load to find the weak link and replace it.
Spark Plug Wires On older vehicles, wires carry the voltage from the distributor to the plugs. Heat and age can cause the rubber insulation to crack, allowing the electricity to “leak” out and arc against the engine block instead of reaching the spark plug. We install high-quality wire sets to ensure the power gets where it needs to go.
Fuel Injector Issues Sometimes, the spark is fine, but the fuel is missing. A clogged fuel injector can starve a cylinder, causing a misfire. We listen to the injectors and test their resistance to ensure they are spraying the correct amount of fuel.
Vacuum Leaks If your car shakes mostly when it is idling but smooths out when you drive fast, you might have a vacuum leak. This is when unmeasured air sneaks into the engine through a cracked hose or gasket. We use diagnostic methods to trace these invisible leaks and seal them up.
Service Showcase Stop the Shakes Today A smooth car is a happy car. Don’t ignore the stutter—let us identify the misfire and get your vehicle running purr-fectly again.
