What does it mean when the end of a spark plug is white?
If your spark plug is white in color or appears blistered, that means something is making the plug run too hot. Check for problems in your engine’s cooling, a lean fuel mixture or incorrect ignition timing. A wet spark plug likely means that it hasn’t been firing due to engine flooding or a bad ignition cable.
Is NGK a good spark plug?
NGK 6619 Iridium IX Spark Plugs snagged the top pick in our spark plug comparison because they offered the best mix of high-performance, fuel efficiency, durability, and dependability. Its ultra-fine electrode wire promises superior fuel efficiency as well as silky-smooth engine idle and response.
What causes white build up on spark plugs?
Blisters on the insulator tip, melted electrodes, or white deposits are signs of a burned spark plug that is running too hot. Causes can include the engine overheating, incorrect spark plug heat range, a loose spark plug, incorrect ignition timing or too lean of an air/fuel mixture. The spark plug should be replaced.
When should I replace my NGK Spark Plugs?
NGK gives them a life expectancy of 40-50k miles. But they have to temper their projections as driving conditions and motor modifications differ. Typically we have found you can expect 60,000 to 80,000 miles on an unaltered motor.
How do I know when my car needs new spark plugs?
What symptoms may indicate my vehicle’s spark plugs need replacing?
- Rattling, pinging or “knock”-like noises. When spark plugs begin to misfire, you may notice unusual noises from the force of the pistons and combustion not working properly.
- Hard vehicle start.
- Reduced performance.
- Poor fuel economy.
What kind of spark plugs do Toyota Corolla use?
To enjoy long-lasting reliability each time you turn the key, upgrade to AutoZone’s premium spark plugs for Toyota Corolla models. Our Corolla performance spark plugs are precisely machined with a high-strength insert, and they keep your temperature within the proper range.
When did the you Groove spark plugs come out?
U-Groove spark plugs meet original equipment replacement intervals and original specifications on your Toyota. Select Toyota models feature the distributor-less Toyota Direct Ignition System (TDI). Introduced in 1994, this system promotes greater combustion efficiency by firing the spark plugs twice as often as a standard ignition.
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.
When did Toyota start using TDI spark plugs?
Introduced in 1994, this system promotes greater combustion efficiency by firing the spark plugs twice as often as a standard ignition. With that in mind, the ideal spark plug for TDI-equipped Toyotas is the Dual-Ground Electrode design, which delivers optimum performance and durability while maintaining the original recommended change interval.