nidgep Posted September 9, 2017 Posted September 9, 2017 Hopefully an easy one for you knowledgeable guys... Following a very poor experience at a local garage, going to attempt to do a full service on my Forester 2.5XT. It's a November 2004 54 SG9 EJ255. VIN shows MY2005. Just need to get the spark plugs. Not something I've done before on this car so important I get the correct plugs before I start. Can someone advise on the best plugs to get (eg. NGK Iridium) and the correct part/model number please. Car is standard and covered 156k. Many thanks in advance. Sent from my SM-G900F using Tapatalk
nidgep Posted September 11, 2017 Author Posted September 11, 2017 (edited) With no replies... :-(, I've tried to find out which plugs might be the correct ones, and even though it seems to be down to 2 versions of NGK, it's still not clear. Info taken from the NGK spark plug finder/lookup or NGK spark plug finder. My car seems to be somewhere in the middle! A 2004 (54) plate with an EJ255 engine code on the VIN plate with MY2005 and SG9. Am I correct in thinking that some cars have EJ25 on the VIN and some have EJ255? That being the case how can a 2004 car have an EJ255 engine? Anyone? Passenger vehicles > Spark plugs for petrol engines Model and model versions Cyl. Ltr kW Year of construction Engine Code All4 All2.02.5 All1101161301551699092 All01.2008 -03.1999 - 200203.2008 -06.2008 -08.2012 -09.1997 -09.1997 - 200209.2005 - 02.20082005 -2006 - 02.2008 AllEJ20EJ204EJ20JEJ25EJ255FB20A / FB20B Forester 4 2.0 90 09.1997 - 2002 EJ20J Forester 4 2.0 92 09.1997 - EJ20 Forester 4 2.0 110 01.2008 - EJ204 Forester 2.0 X 4 2.0 110 08.2012 - FB20A / FB20B Forester 4 2.0 116 09.2005 - 02.2008 EJ20 Forester 4 2.0 116 03.2008 - EJ20 Forester 2.0 turbo 4 2.0 130 03.1999 - 2002 EJ20 Forester 2.5 turbo 4 2.5 155 2005 - EJ25 Forester 4 2.5 169 2006 - 02.2008 EJ25 Forester 4 2.5 169 06.2008 - EJ255 PFR6G Type: PFR6G Stock No.: 4793 Details Wrench size: 16 mm Thread diameter: 14,0 mm Thread Length: 19,0 mm Spark gap: 0,8 mm Or ILFR6B Type: ILFR6B Stock No.: 6481 Details Wrench size: 16 mm Thread diameter: 14,0 mm Thread Length: 26,5 mm Spark gap: 0,8 mm Edited September 11, 2017 by nidgep Update VIN image
nidgep Posted September 11, 2017 Author Posted September 11, 2017 ...or even the BKR6EIX....which opens up the possibility of using the iridium spark plugs....I think...
nidgep Posted September 17, 2017 Author Posted September 17, 2017 Took one of the plugs out today. NGK ILFR6B. Any comments on the condition and electrode gap? Sent from my SM-G900F using Tapatalk
savage bulldogs Posted September 17, 2017 Posted September 17, 2017 Can't help with the spark plug type tbh but most stick iridum heat 6's in standard scoobs and heat 7's in mapped scoobs .The basic difference in turbo ej engine spark plug type, is the 2.5 engine runs different length plugs to the 2ltr ej engine .As for plug gap i think standard gap is a tad under 7mm but i always gap mine to 6mm due to running higher than stock boost Sent from my SM-G930F using Tapatalk
Pixyflash Posted September 17, 2017 Posted September 17, 2017 4 hours ago, savage bulldogs said: As for plug gap i think standard gap is a tad under 7mm but i always gap mine to 6mm due to running higher than stock boost Wow! 😨 That's impressive.
savage bulldogs Posted September 17, 2017 Posted September 17, 2017 Lol was that cos i forgot to put the zero in front of the gap sizes ? Ie "0.7mm " standard 0.6 mm for 1 bar of boost and above Sent from my SM-G930F using Tapatalk
nidgep Posted September 21, 2017 Author Posted September 21, 2017 Thanks@savage bulldogs.What's the reason for the plug threads being oily? Is this normal? Sent from my SM-G900F using Tapatalk
savage bulldogs Posted September 21, 2017 Posted September 21, 2017 No problem bud 🖒If its not on the electrode tip end and its just on the middle/top of the thread , that would probably point to the cam cover to spark plug gaskets weaping .If they do need replacing import car parts is about the best place to buy the oe gaskets and "half moons" .Sent from my SM-G930F using Tapatalk
nidgep Posted September 21, 2017 Author Posted September 21, 2017 No problem bud 🖒If its not on the electrode tip end and its just on the middle/top of the thread , that would probably point to the cam cover to spark plug gaskets weaping .If they do need replacing import car parts is about the best place to buy the oe gaskets and "half moons" .Sent from my SM-G930F using Tapatalk Thanks again@savage bulldogs. I don't really know the car that we'll (first subaru). I've attached a couple of photos of the plugs in situ which is pretty clean and dry. Could it still be the cam cover gasket? Sent from my SM-G900F using Tapatalk
savage bulldogs Posted September 21, 2017 Posted September 21, 2017 There does seem to be a little bit of oil pooling at the bottom of both cylinders in those pics .I wouldn't say that was excessive leaking though , so it doesnt need to be done straight away . It is probably the cause of oil on the threads , so just bear it in mind and if it gets any worse or the cam cover gasket starts to leak , replace the whole kit at once .Sent from my SM-G930F using Tapatalk
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