What causes the spark plug to go off in a car?
Air and fuel mix together inside the engine, then the mixture is ignited by the spark plug. The explosion sets the engine in motion, creating the rotational force needed to propel your car down the road. Any issue that throws off the air/fuel mixture – ranging from a failed fuel injector to a vacuum leak – can cause a misfire. 3.
Which is more durable Iridium or platinum spark plugs?
Iridium is a more durable material than platinum (its melting point is approximately 1200°F higher than platinum). Iridium spark plugs last longer than conventional spark plugs—up to 110,000 miles.
How does a you groove spark plug work?
As its name implies, the U-Groove design incorporates a U-shaped groove in the middle of the ground electrode. Before the spark plug fires, the U-Groove traps the fuel-air mixture, then produces a large spark for efficient combustion and reduced fouling.
Why are my spark plugs not working on my Toyota?
When it comes to your Toyota engine, spark plugs make a big difference. A dirty, worn out or inferior spark plug can cause inconsistent firing, which may result in reduced performance and fuel economy.
How is the condition of a spark plug determined?
Signs of fouling or excessive heat must be traced quickly to prevent further deterioration of performance and possible engine damage. An engine’s condition can be judged by the appearance of the spark plug’s firing end.
When to put new spark plugs in your car?
To avoid fouling your spark plugs it’s important to keep your engine free from oil leaks and your carburetor jetted properly (if your engine has a carburetor). When spark plugs are too old or too corroded, you are just going to have to put new plugs in your engine.
What’s the best way to check a spark plug?
Blow out the spark plug mounting holes with an air hose to clean any debris or residue that might exist. Carefully reinstall the spark plug by using either your fingers or the spark plug socket, and torque it to spec with a torque wrench. If you are working on a small engine, you can get away with just tightening the spark plug down firm.
What’s the best way to remove a spark plug?
Blow Out Spark Plug Channels – Debris tends to collect in unprotected spark plug tubes and channels. Compressed air is a good idea to get rid of it, preventing it from falling into the cylinder when you remove the spark plug. Remove Spark Plug – Using a spark plug socket and locking extension, remove the old spark plugs.