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Spark Plugs

7.1K views 26 replies 8 participants last post by  zagato27  
#1 ·
When I last had a maintenance 3, I was going to replace the spark plugs. This was at 48,000km, but they told me the plugs were good until 160,000km(!).

They also told me they inspect and clean the plugs, and that they should be fine for quite some time. I didn't realize at the time that 3 of the plugs required removal of a plenum to get to. When I asked this time if they inspect all of them, they said no, only the front 3.

The plugs are double platinum (platinum center and ground electrodes). I know with the standard (non platinum) Champion plugs I used in my Jeep, they needed replacement every 36,000km.

What are people's thoughts on when to change the plugs in the Murano? I'm thinking I'll go with 100,000km (60,000 miles).
 
#27 ·
My .02. I remember when I was ready to change the plugs in my 97 Max I did a bit of research on the forums. The concensus was to stay away from the Bosch +4s and stick with the NGK Plats. I read a bit more and finally settled on the NGK Iridiums for the Max. No problems. Just changed out the plugs in my daughter's 92 Acura Legend LS Cpe with NGK Iridiums and again very happy. I think you can't go wrong with NGKs. Cheers