How long does an iridium spark plug last?
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.
NGK Laser Iridium Spark Plugs have iridium center and a platinum ground electrodes..
How do I know if my Iridium spark plugs are bad?
Iridium spark plugs – Lifetime Symptoms of worn spark plugs: A few misfires (but with no ODBII code generation) upon slight acceleration from speeds between 40 to 60 Km/h. Fuel consumption increase. Rough idle when engine is cold, although this symptom is common to so many other failures.
Will Iridium spark plugs improve performance?
Iridium Plugs improve the engine performance in terms of power. … The ultra-fine center electrode of an Iridium Plug ensures fast ignition and improves the engine’s starting characteristics. Since there is little dispersion in the position of the spark, idling is stable too. Better fuel economy!
Are Iridium plugs worth it?
It is estimated that iridium spark plugs will last for at least 60,000 miles. However, they’ve been known to go up to 80,000 miles, or even 120,000 miles, depending on the vehicle. … So, an investment in these spark plugs would surely be worth it for this. You may never actually have these spark plugs go bad on you.
Can you use wd40 to clean spark plugs?
WD-40 removes carbon residue and keeps moisture away from spark plugs and spark plug wires. WD stands for Water Displacement, so if your spark plugs are wet or you need to drive moisture away from ignition distributors, WD-40 will do the trick.
Can Iridium plugs be cleaned?
I would just clean the tip and the electrodes. Any good unit will work well. When I clean the plugs not the iridium ones. I used fuel injector cleaner or carby cleaner and clean with the brush and then dry with the air pressure.