Closely examine the tops of the electrodes.If the problem persists, the spark plug needs replacing. The easiest way to test if a spark plug is faulty is to put it into another cylinder (swap it with its neighbor, so to speak).To remove carbon buildup from a spark plug, use a pneumatic sandblaster kit or a fine wire brush. Faulty or fouled spark plugs will negatively affect throttle response, fuel consumption, and exhaust emissions. These issues may arise due to one or more faulty spark plugs in the engine. If your engine misfires, runs roughly, or suffers power loss under load, it’s probably a spark plug problem.
BAD SPARK PLUG SYMPTOMS WEED EATER PROFESSIONAL
Burn clean with a light-brown color when cool.Īlways use a professional spark plug wrench to prevent stripping the threads in the cylinder head! How Do You Know If You Have a Bad Spark Plug?.Be set to the correct gap using a feeler gauge.Have the reach and heat specifications of the OEM original.To perform at its best, a spark plug should: To tell if a spark plug is bad, remove it from the cylinder head and check the electrodes for carbon buildup, rounded edges, wetness, and an increase in the electrode gap. So, let’s grab that plug socket and troubleshoot these low-tech but vital hotheads!Ĭommon symptoms of a bad spark plug include engine misfiring, reduced power, fuel economy, failure to start, and increased emissions.
BAD SPARK PLUG SYMPTOMS WEED EATER HOW TO
And we can show you how to troubleshoot them, as we have tons of experience troubleshooting them for many gasoline engines. Spark plugs are also easy to replace in most engines. Luckily – spark plugs are easy to remove and give insight into the health of a gasoline engine. The fact is that spark plugs will make or break a gas engine’s ability to power on and function. Spark Plugs! Yes, those simple-looking ceramic things screwed into the head of an engine are an essential part of its ignition and power-delivery systems. Can Bad Spark Plugs Affect Acceleration?Ī Failing Spark Plug Could Be the Culprit!.Can Bad Spark Plugs Cause Fuel Problems?.What Problems Do Bad Spark Plugs Cause?.How Can You Tell If an Ignition Coil Is Bad?.What Does It Sound Like If You Have a Bad Spark Plug?.How Do You Know If You Have a Bad Spark Plug?.
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