Spark Plug correction - Nissan Murano Forum
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#1 Old 02-03-2013, 09:48 PM
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Spark Plug correction

I installed Denso Iridium Power IKH16 sparks on my wife's 06 Murano, however I was wrong about the mileage of the plugs. After reading the Denso FAQ website, I learned that the IK16 are supposed to be changed at 30K miles because they are performance plugs. So, I do not recommend them to used in the Murano due the difficulty of the spark plug change procedure. The IKH16 are very responsive and give great MPG, but they are performance plugs first and wear fast due to the small .4mm electrode. Denso do makes a long life iridium plug that lasts over 100k with a .7mm electrode, but not the IKH16 plug. I will be changing mine again in about three years. So unless you want to go through all the work to change the IKH16 plugs every 2-3 years, I would not use them in the Murano. The good news is that my wife's Murano now pulls like my FX45 when I step on the gas, well almost.

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#2 Old 02-03-2013, 11:58 PM
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Thanks for the note! It' an easy mistake to make.

My general approach is that if the original plugs are designed to last 100K miles, I will replace them with the same plugs, as I don't expect to drive the car past 200K miles.

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