Made to withstand the severe conditions that occur in racing engines they have a zinc dipped shell prevents corrosion while the triple gasket seal eliminates combustion gas leakage. Fine-wire center and ground electrodes provide better sparking and enhanced ignition. I Have a 2007 ST. The full service Ford Focus ST Schedule can be found below. Some products may carry an extended lead times during the seasonal period and non-essential business closure. The plug includes a solid copper core for a greater spark. I cannot speak from experience with this one, as I’ve never had to do anything like this. Menu. As per title what spark plug should I go for on a stock 07 fn2?? man, i found this tutorial super useful! This is fairly tricky as there’s not a lot of room to work with. Focus RS (300 PS) 2008-2010 Focus ST (225 PS) 2006-2010. You will need to confirm you have the following tools, especially the oil filter socket! These are the exact plugs you would buy from Ford. The Focus ST, we suggest between 30 and 32 thousandths. Service Ford Focus ST – Simples! Click & Collect. So far found the following numbers 1386502 or halfords HFX228. HI James, cheers for the info, however you still yet to mention, or update instructions with regards to spark plugs. 4x DENSO SPARK PLUGS for FORD MONDEO IV 2.0 EcoBoost 2010-2014 (Fits: Ford Mondeo) £37.99. Did you get any engine management lights or anything? 11 watching. Spark Plugs x 4 Bosch Super 4 Fits Ford Focus MK I II 1.4 1.6 1.8 2.0 Fiesta (Fits: More than 1 vehicle) ... Genuine Ford Focus ST/RS Spark Plugs 1505812 (PRICE IS PER UNIT) £6.95. I will walk you through everything you require from the parts you will need before hand, and how to find and remove items such as the sump plug and the oil filter. There have been a number of threads on here in which it has been stated that the specified 1.3mm gap generates voltages high enough to cause the coil packs to break down. Whether or not this makes a difference is up for debate. You will also need to replace the rubber seal on the housing with a new one – Make sure you lubricate this seal using a little bit of oil on your finger, and run this around the seal once you have fitted the new on. As stated above, make sure you have the correct tools – It helps to line them all out to make sure. While the oil is draining from the sump, we can now remove the oil filter from its housing. Unfortunately I’ve not had chance to do mine yet, Ford did mine last time, so I cannot post the update on how its done just yet. Continue … What about the spark plug renewal instructions? Let the car run for a moment or two, then turn the car off and check the oil once again. Secondly, you say you checked the oil and it was … This can be a little tricky as its a tight fit, I found if you pulled the cold air feed pipe towards the front of the car, it would allow you to squeeze the housing cap out of the gap. Your email address will not be published. NGK is the brand leader in the UK spark plug market and are the world’s biggest supplier to many major car manufacturers. I'll tell you why in a minute. Also fuse 25 used to blow and power would go down after a few days (found this out from mechanic from previous owner) cheers pat, hi james I rebuilt my engine I want to know if I have to change my oil pump or not, You don’t have to, but if you have rebuilt it, you may as well get a new oil pump. Twist the cold air feed towards the arrow, and it will simply pull straight out. The under tray is held in place using 7x T30 screws, so using your Torx Screwdriver, remove the screws as outlined in the image below. Hi I have the 2006 st-3 the engine management light came on so took it to the garage and the faults read running too rich on idle bank 1 also fuel pressure sensor took it to get fixed and they said it was two wires had got hot and fused which blew a fuse got it back this morning and again the management light came back on. Ford Focus ST2 – 2.5 Litre Turbo (2005-2012), Ford Focus ST3 – 2.5 Litre Turbo (2005-2012), 36mm Socket (Better to get a slim line oil filter sockets), Wrench (Compatible with the 36mm socket above), Extension Bar (as the oil filter is tucked away a little bit), Wrench Pivot bit (as the oil filter is off-set). You will now have access to the alloy sump, and the sump plug, which is found on the rear of the sump. Then next day it will back again and then goes after a while again. 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