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05-02-2011, 10:31 AM | #55 |
done that this weekend for the second time BUT i wasn't refering to shifting when i said smooth through the gears....
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05-02-2011, 01:03 PM | #56 |
Drives: '09 Yaris carmine red 2d HB Join Date: Jun 2009
Location: Middletown, NY
Posts: 1,501
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Yes, an iridium plug will "last 100k miles.
However, why change them at 100k? Is 100k a magical milestone? Any plug wiil deteriorate over it's life. Granted, an iridium pluge will deteriorate much more slowly but, it's still not the same as it was when new. So, if your car is just a ocasional grocery getter, leave them in for 100k if you like However, if you want to maintain top performance, change them more often. |
05-02-2011, 01:14 PM | #57 |
Drives: 2007 Yaris Hatch Join Date: Feb 2007
Location: Chicago
Posts: 346
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Exactly! ^^^
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05-03-2011, 01:22 AM | #58 |
Drives: 2008 Yaris HB Join Date: Oct 2008
Location: University Place,WA
Posts: 828
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Do not rely on that old anti seize left on head threads to work for the new plugs,always with aluminum heads put on new antiseize......or the next time it very well will be a head change needed when you break off the plug trying to get it out.....been there done that.
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05-03-2011, 08:26 PM | #59 |
Drives: 2007 Yaris Hatch Join Date: Feb 2007
Location: Chicago
Posts: 346
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Anti seize really is not necessary since the plugs have a trivalent coating on the threads. If they seize it's because they were overtightened. Also here is a link for the newbs >> http://www.ngk-elearning.com/
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05-03-2011, 11:06 PM | #60 |
Drives: 08 Yaris sedan auto / Fit auto Join Date: Oct 2009
Location: northeast
Posts: 2,897
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Remove / install plugs when engine has sat for awhile is one .
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05-04-2011, 04:02 PM | #61 |
TRIM HUNTER
Drives: 2007 BLAZIN BLUE YARIS 3 DR Join Date: May 2006
Location: ROCKLAND COUNTY NY
Posts: 2,088
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i achieved same results!
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05-04-2011, 04:54 PM | #62 |
Drives: 09 Yaris 3dr HB, BRZ Join Date: Mar 2011
Location: GTA
Posts: 222
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Eh? Here in Canada oil change interval is 8000kms... close enough to 5k miles...
On the echo i always left it to 10,000kms and used synthetics, no issues. In 258,000kms on the echo I changed plugs twice, always worked lovely, and I used iridiums. New Yaris with only 32k on it, likely has OEM plugs in it, I may change them up soon just for the hell of it. |
01-02-2012, 07:17 PM | #63 |
Drives: '08 HB Join Date: Nov 2008
Location: Allyn
Posts: 71
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Just ordered the:
Denso Iridium Long Life Plug 3324 SK16R11 .044" (Original Equipment Manufacturer and/or Original Equipment Equivalent) $9.35/ea from sparkplug.com I have 90k on my originals....we'll see what difference there is when they get here and I get 'em installed. I know my mileage is off....I'm at about 35/mpg when I used to be close to 40. OK....they have been swapped out. I put some anti-seize on 'em.....I always use anti-seize when I do plugs.....hate fishing out plug holes (helicoils or rethreading)... Last edited by fj40dave; 01-08-2012 at 09:43 PM. |
01-02-2019, 09:58 PM | #64 | |
Drives: 2007 Yaris Hatch Join Date: Feb 2007
Location: Chicago
Posts: 346
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Quote:
The ik16tt is the standard iridium. The sk16r11 is the iridium long life. |
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01-03-2019, 08:17 AM | #65 |
Drives: 2007 Join Date: Feb 2014
Location: motown
Posts: 339
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Your 7 years late.
It's all in the timing, |
01-05-2019, 12:09 AM | #66 |
Drives: 2007 Yaris Hatch Join Date: Feb 2007
Location: Chicago
Posts: 346
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Nope, 7-year-old info needs to be updated. So when people search they are not reading outdated info.
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03-14-2019, 03:10 AM | #67 | |
Drives: Yaris 2016 1.3 Manual Join Date: Jun 2017
Location: SAUDI ARABIA
Posts: 125
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Quote:
My manual says to use 90919-01164 or Denso K16R-U11, can i use this iridium type SK16R11? will it make a difference? |
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03-14-2019, 11:03 AM | #68 |
Drives: 2007 2-door hatchback Join Date: Jul 2016
Location: USAnotCA
Posts: 750
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If wrong heat range, can get to looking like those nasty examples in photos above.
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03-14-2019, 12:25 PM | #69 |
3 Yaris and counting..
Drives: 07 Yaris rs 3 door 2zr swaped Join Date: Feb 2016
Location: Toronto Canada
Posts: 672
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I just go to the dealer. What they give you has to be right...no?
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03-16-2019, 11:37 AM | #70 |
Drives: 2007 Yaris Hatch Join Date: Feb 2007
Location: Chicago
Posts: 346
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Yes, incorrect heat range can make them look similar. These are the correct heat range, they just have a solid 100k on them. Yes, you can buy the standard oem plugs from the dealer, but they are overpriced re-badged denso anyway. Also, the dealer doesn't offer the top of the line model like the "POWER" plugs.
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08-01-2019, 05:43 PM | #71 |
Drives: 2009 yaris Join Date: Feb 2016
Location: poughkeepsie ny
Posts: 47
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Hit the nail on the head. I am about to change mine out tonight and started reading this many-years-old post from the beginning. Maybe late answer for the original conversation, but not a late reply for this thread at all. Keep it all in one thread, otherwise we'll have a thousand threads.
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08-02-2019, 02:07 PM | #72 |
Drives: 2009 yaris Join Date: Feb 2016
Location: poughkeepsie ny
Posts: 47
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Well, at 101,000 miles, I changed out my oem spark plugs. Pictures look better than actual. I usually get 46-49mpg this time of year, and I have only been getting 44.5 at best this year. We'll see if the sparkplugs will help. First plug had lots of resistance when I was taking it out, I sighed, thinking I ripped out head threads, but was pleasantly surprised when it came out clean. Turns out (pun intended) I had overdone the anti-seize a few years ago on the spark plugs when I tested compression at like 18k miles (I reused the oems at that point) and it just was too gummy after all these miles. I vacuumed out each hole with a vinyl tube and the house vacuum.
I did not go with the oem iridiums. They were over $9 a piece. I found these at Advanceautoparts.com. https://shop.advanceautoparts.com/p/...6953/5531691-P Their description online says they are "oem approved". Although they are rated for 30k miles of use as opposed to 100k, they are 1/4 of the price. Made in the USA with Japanese and domestic parts it says on the box. V-groove gimmick looks cool. The way I see it, changing these out 4 times will get me farther than the 100k, and I'm out the store door with 4 new ones for $8.40 with an online coupon! Plus if I get rid of this car before the next 100k miles, I'll be losing money on the iridiums. OEM on mine were Densos. I feel nothing different. Starts and goes just like before. I did however do a resistance check on the new and old. 3 new spark plugs were just about 5,200 ohms, one of them was 4,820. I only was able to test one oem used one at 6,400 ohms, the others did not give a reading, I guess due to the carbon, I didn't bother trying too hard to clean the tips and get a reading. On each of the 4 oems, tips and ground straps were worn on one side only. Funny how the picture doesn't show that. I think only the good sides were facing the camera! |
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