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Old 10-08-2017, 05:21 PM
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Default weekend maintenance: Oil and filter, spark plugs, MAF and air filtering cleaning

2008 LR2 HSE with 117784 miles.
changed the oil and filter (Mobil 1 5W30 high mileage, Mann filter from Amazon)
spark plugs: NGK 6619 Iridium Spark Plugs LFR6AIX-11 $36.99 Amazon
cleaned the Mass air flow sensor (don't yell at me but i just used a Q-tip and looks new after the cleaning) and air filter (ordered it but not arrived yet so i simply cleaned it).

Initially gave me two error codes P0365 and P0365 pd which is camshaft position sensor error. Turns out the connector was loose, it was a part of the wiring harness that connects all the spark plug and i didn't plug in all the way.

Anyway the rans great now much better than before, pulls strong and responds quickly..
For under $100, the money well spend.
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Old 10-08-2017, 09:49 PM
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Nice job! A couple questions, please:

Do you set the gap on the Iridium plugs? If yes, what gap did you set?

Did you torque the plugs when you replaced them? If yes, what torque setting?
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Old 10-09-2017, 10:36 AM
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It was pre-set and i didn't have to touch it. The gap was 0.030"

No, i didn't. I hand tightened it till it's all the way in and gave it a 1/4 turn with a ranch.
Put some spit on the thread and it goes in very easily
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Old 10-11-2017, 06:47 PM
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Was it difficult to remove the plugs from the deep wells? Did you need one of those thin wall sockets with a rubber insert or magnet to help pull the plug out when unscrewed?
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Old 10-12-2017, 10:00 AM
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No it was easy, it came out with out any problem.
Also, the sparks plugs are on top of the engine, which makes is very accessible.
I did however used a spark plug socket which has a rubber ring inside to hold the spark plug, since i have a set.
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Old 10-26-2017, 12:01 AM
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Have you noticed any improvement in your gas mileage after changing the plugs?
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Old 10-26-2017, 11:46 AM
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After this service, my 3 tank mpg average went from 19.6 mpg to 20.8 mpg.
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