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Old 07-10-2008, 08:18 AM   #1 (permalink)
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Default Spark Plugs

After 120,000 miles I figure it's time to chenge the plugs. Can someone provide the "degree of difficulty"? What needs to be removed and do I need to be a contortionist to get them all?

Plug recommendations appreciated also.

THANKS

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Old 07-10-2008, 12:22 PM   #2 (permalink)
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On a scale of 1-10 (10 being "take it to someone who knows how") I'd call it a 4. You just need to remove the plastic engine cover, disconnect the individual ignition coils and remove them...then the spark plugs. You'll need a 10mm socket, 5mm hex socket/allen wrench, 5/8" spark plug socket, 3/8" drive ratchet along with the correct combination of extensions. The back 3 plugs are a little bit of a reach...but I'm not that tall, so I just grab a pillow and lay on the radiator support/hood while doing them so I'm not straining my back. Use the OEM plugs. Hope that helps. Good luck.
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Old 07-10-2008, 01:26 PM   #3 (permalink)
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Thanks for the reply and for detailing the tools required. I need to see if I have a 5mm hex socket (if not another toy to buy in my effort to stimulate the local economy).

Doesn't seem too difficult a job.
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Old 07-13-2008, 04:40 AM   #4 (permalink)
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Sure thing, have fun eh. I haven't bought tools for some time as I've spent the past 8 years stimulating the economy in vain.
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Old 07-21-2008, 09:48 AM   #5 (permalink)
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Changed Spark Plugs yesterday. Yes, the back three are a real bugger. I drove about 8 miles afterward with what seemed like no problems. Got in to go to work this morninga and it was very sluggish and the engine malfunction light came on. Drove a couple of miles and pulled over. I turned the engine off and restarted. The light went off and it was no longer sluggish. Hoping I didn't screw anything up. Any ideas what would cause this? Currently not in a position financially for a costly repair.
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Old 07-21-2008, 11:39 AM   #6 (permalink)
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Quote:
Originally posted by etsooner
Changed Spark Plugs yesterday. Yes, the back three are a real bugger. I drove about 8 miles afterward with what seemed like no problems. Got in to go to work this morninga and it was very sluggish and the engine malfunction light came on. Drove a couple of miles and pulled over. I turned the engine off and restarted. The light went off and it was no longer sluggish. Hoping I didn't screw anything up. Any ideas what would cause this? Currently not in a position financially for a costly repair.
What kind of plugs did you use? I would suggest rechecking the individual Coil-Over-Plug connectors. Maybe one was not clicked on all the way? Just double check everything was put back on correctly. If the light does come back on, I would take it somewhere just to see what the code is.
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Old 07-21-2008, 11:45 AM   #7 (permalink)
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I will check those, as one was a real pain and I am not sure I got the screw tightened all the way. I used NGK Platinum's. I am hoping is is something as simple as tightening it down. The fron three are good. It was the back three that may need some adjusting. Thanks for the input.
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Old 07-21-2008, 12:19 PM   #8 (permalink)
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Got my plugs in this weekend and, knock on wood, everything seems to be OK so far. I actually had a harder time with the front center one - fan shroud is in the way - and figuring out which combination of socket extensions gave me the best clearance. Since the plugs cost about $9 a piece I hope these last 120K miles like the originals.

Thanks again for your advice!
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Old 07-21-2008, 08:52 PM   #9 (permalink)
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FYI- My local Honda dealer quoted me $250 to replace the spark plugs on my pilot.
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Old 07-21-2008, 11:20 PM   #10 (permalink)
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Quote:
Originally posted by 22350VCPILOT
FYI- My local Honda dealer quoted me $250 to replace the spark plugs on my pilot.
Which $tealership.. so I know which one to avoid!
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Old 07-25-2008, 12:30 PM   #11 (permalink)
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Quote:
Since the plugs cost about $9 a piece I hope these last 120K miles like the originals.
$9 is a steal for an OEM Honda plug. The list price from Honda is $18.08 and the best I was able to find was $13.34 plus shipping. Can I ask where you found them?
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Old 07-25-2008, 12:58 PM   #12 (permalink)
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Go to sparkplugs.com and get them there. Get the Denso or NGK plugs from them.
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Old 07-25-2008, 08:05 PM   #13 (permalink)
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I replaced mine with NGK Iridium, for no other reason other than, they were a little cheaper than the Laser Platinum which is the OEM plug - you can buy them both at Kragen Auto Parts (or whatever it's called in your area) I have noticed no engine running difference from before changing the plugs, except very slightly improved fuel economy, which I attribute to the old plugs.

Here's a link to the Laser Platinum http://www.partsamerica.com/ProductD...pe=960&PTSet=A
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Old 07-25-2008, 08:32 PM   #14 (permalink)
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It looks like the NGK double platinum plugs are sold at most parts stores but can anyone confirm that they are the same as the OEM Honda parts? I'd like to make sure I get the ones with the 105k service interval but can't find any reference to that other than from Honda.
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Old 07-25-2008, 08:38 PM   #15 (permalink)
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Matt, make sure you compare the spark plug # below:

NGK Spark Plug: Plug No. PZFR5F-11
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