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2013 Ford Focus 2.0 GDI: OE Spark Plugs, 94k miles #4673187
02/21/18 12:26 PM
02/21/18 12:26 PM
Joined: Jul 2009
Posts: 11,194
Albany, NY
Nick R Offline OP
Nick R  Offline OP
Joined: Jul 2009
Posts: 11,194
Albany, NY
2013 Ford Focus, 2.0 NA Direct Injected engine, First post in a while, just replaced my OE NGK (I believe) plugs with some new NipponDenso Iridum TT ITV20TT plugs, after 94k miles. The electrodes in general don't look as worn as I'd expect after 94k. The plating is a bit rusted though.






Re: 2013 Ford Focus 2.0 GDI: OE Spark Plugs, 94k miles [Re: Nick R] #4673216
02/21/18 12:44 PM
02/21/18 12:44 PM
Joined: Jul 2009
Posts: 11,194
Albany, NY
Nick R Offline OP
Nick R  Offline OP
Joined: Jul 2009
Posts: 11,194
Albany, NY
And in case anyone asks, no I haven't had any issues with intake valve deposits, nor any other problems really other than the transmission clutch pack ones. I might replace the evap purge valve in the coming months just out of an abundance of caution.

Re: 2013 Ford Focus 2.0 GDI: OE Spark Plugs, 94k miles [Re: Nick R] #4673262
02/21/18 01:23 PM
02/21/18 01:23 PM
Joined: Dec 2002
Posts: 4,256
The Garden State
Whimsey Offline
Whimsey  Offline
Joined: Dec 2002
Posts: 4,256
The Garden State
You got your money's worth out of them. Did you check the gaps as compared to new plug gap specs? Can you tell any drive ability improvements with the new plugs? And lastly it being an inline 4 engine I'm assuming changing them was not difficult.

Whimsey

Re: 2013 Ford Focus 2.0 GDI: OE Spark Plugs, 94k miles [Re: Whimsey] #4673276
02/21/18 01:32 PM
02/21/18 01:32 PM
Joined: Jul 2009
Posts: 11,194
Albany, NY
Nick R Offline OP
Nick R  Offline OP
Joined: Jul 2009
Posts: 11,194
Albany, NY
Originally Posted By: Whimsey
You got your money's worth out of them. Did you check the gaps as compared to new plug gap specs? Can you tell any drive ability improvements with the new plugs? And lastly it being an inline 4 engine I'm assuming changing them was not difficult.

Whimsey


The new ones were gapped properly, it's harder to measure because they are the twin tip ones so you have to be really careful not to damage the ultra fine wire plugs



Thus far I've only driven about a mile since I changed them so haven't really had a chance to look for drive ability improvements. But yeah 4 cylinder so it only took like 10-15 minutes to replace them.

Re: 2013 Ford Focus 2.0 GDI: OE Spark Plugs, 94k miles [Re: Nick R] #4673288
02/21/18 01:40 PM
02/21/18 01:40 PM
Joined: Apr 2008
Posts: 12,990
Onondaga County
Miller88 Offline
Miller88  Offline
Joined: Apr 2008
Posts: 12,990
Onondaga County
Did they crunch and squeak on the way out?

I changed the spark plugs on my '11 engine and every time that thing worried me and made me think I was pulling the threads out.


18 Forester 2.5I 6M
00 Jeep Cherokee
01 Ford F-350 XL 4x4 5M
Re: 2013 Ford Focus 2.0 GDI: OE Spark Plugs, 94k miles [Re: Nick R] #4673341
02/21/18 02:17 PM
02/21/18 02:17 PM
Joined: Jul 2009
Posts: 11,194
Albany, NY
Nick R Offline OP
Nick R  Offline OP
Joined: Jul 2009
Posts: 11,194
Albany, NY
Yes, yes they did lol

Re: 2013 Ford Focus 2.0 GDI: OE Spark Plugs, 94k miles [Re: Nick R] #4673386
02/21/18 03:00 PM
02/21/18 03:00 PM
Joined: Aug 2002
Posts: 14,564
Silicon Valley
PandaBear Offline
PandaBear  Offline
Joined: Aug 2002
Posts: 14,564
Silicon Valley
Holy corrosion batman. My dad's Taurus had the same corrosion issue on the plugs but not that bad. Is it because Ford skim on the coating or is it the seat type?


"You keep asking questions PandaBear and you'll end up a vegetarian like my wife" - Camu Mahubah
Re: 2013 Ford Focus 2.0 GDI: OE Spark Plugs, 94k miles [Re: PandaBear] #4673399
02/21/18 03:08 PM
02/21/18 03:08 PM
Joined: Jul 2009
Posts: 11,194
Albany, NY
Nick R Offline OP
Nick R  Offline OP
Joined: Jul 2009
Posts: 11,194
Albany, NY
Originally Posted By: PandaBear
Holy corrosion batman. My dad's Taurus had the same corrosion issue on the plugs but not that bad. Is it because Ford skim on the coating or is it the seat type?


Probably because they are in the well between the valvecovers, probably condensation and moisture getting in and no real way for it to get back out again. That's my guess at least. 5 years of Upstate NY/Ohio winters too.

Re: 2013 Ford Focus 2.0 GDI: OE Spark Plugs, 94k miles [Re: Nick R] #4674154
02/22/18 09:04 AM
02/22/18 09:04 AM
Joined: Jul 2009
Posts: 11,194
Albany, NY
Nick R Offline OP
Nick R  Offline OP
Joined: Jul 2009
Posts: 11,194
Albany, NY
So having driven it a bit more now, I notice 2 things. It doesn't seem to crank quite as long when starting cold as it did before, and the idle also seems substantially smoother now, doesn't sound any different, but there seems to be less vibration than before.


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