2005-2011 Ford Focus 2.0L Duratec Engine: Spark Plug Replacement
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- Опубліковано 15 жов 2024
- These are the Parts and Tools needed for the job:
Updated Spark Plugs-
amzn.to/2fN9Xwt
Dielectric Grease-
amzn.to/2gMobP4
Nickel Anti-Seize-
amzn.to/2gmu74n
Swivel Spark Plug Socket-
amzn.to/2g8yjlt
Air Wand-
amzn.to/2gmzS2a
1/4" Cordless Bosch Impact-
amzn.to/2gMrhCT
SPEC:
Gap- .051"
Torque- 106 inch lbs
My Company BSG Automotive offers Auto Repair services in the greater Chicagoland area.
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Disclaimer:
The information, demonstration and any content contained in this video is for informational purposes only. The user and BSG Automotive (hereinafter “FordTechMakuloco”) makes no warranty, express or implied, regarding the effectiveness or safety of the contents of this video. In no way should the contents of the video, including the tools used, be repeated or tried by anyone. Viewers should only seek the help of a trained professional located at a licensed auto repair shop for any fix, modification, alteration, or any change to their vehicle. FordTechMakuloco shall not be liable for any injury, damage, or loss to any person or property that may result from use of the tools, equipment, or any content contained in this video. In addition, there is no way to guarantee that the video is not altered or modified or is not in the final form submitted by FordTechMakuloco and therefore, FordTechMakuloco does not warrant that the video is unaltered or not modified. The links on this video to products are for informational purposes only and in no way are an endorsement of the safety or effectiveness of the particular product. Viewers understand that anything contained in this video or linked to or from this video is the sole responsibility of the viewer and in no way provides an express or implied warranty as to the safety or effectiveness of any linked tool, product, or video. Therefore, viewer agrees to release, waive, and discharge FordTechMakuloco or anyone affiliated with FordTechMakuloco, from any and all liability, claims, demands, actions, and causes of action whatsoever arising out of or related to any loss, damage, or injury, including death, that may be sustained by the viewer, or to any property belonging to viewer, regardless of whether the loss is linked to the use of the contents of this video, or otherwise and regardless of whether such liability arises in tort, contract, strict liability, or otherwise, to the fullest extent allowed by law.
I have a 2010 Ford focus SE. Your videos are gold. Thank you for your time!
Nice job. No unnecessary BS. No umms, uhs, duhs, etc.
Even if I've done this a hundred times it's always good to mentally go through it especially on a particular model of vehicle. That way there's no surprises when I break out the tools and try to get the job done.
Been beating the hell outta mines for 13 years, only I had to fix like three things in that time period.
I had no idea what the hell I was looking at when I opened the hood. Now I know it's super easy. Thank You.
Great Video! I got a 2009 SES, all videos for our car are always appreciated!!
3:05 R.I.P. headphone users.
Sir, 4 years after this comment, you saved my hearing. Thank you!
Thank you for the torque spec! Most people just guess at how tight but I always like to be exactly sure how tight spark plugs should be. :)
That was a big help thank you
Good video thanks, i don't have a compressor so i bought a can of compressed air for computers to get rid of the debris. Still had the error code P0302. Which indicated a misfire. Turned out to be one of the coil packs which I replaced easily.Also I worried I did not gap the new plugs but it ran fine.
Buy new coils and replace them whilst you replace your spark plugs
@@windows7620 so when you change the spark plugs yoe always need to put new coils too? Or we can clean the coils when we put them back?
@mejhon6592 i would personally just replace the coils and make sure to use either OEM, Bosch or Hitachi. They tend to go bad once you remove them and you won't even know it half the time outside of poor performance and really bad MPG. My mechanic changed my harmonic balancer not too long ago and put the same coils back in. Car didnt run right and only got 11mpg. With a better scan tool i was able to see the small misfires and fixed with Bosch coils. Now I'm back up to 25mpg or so(transit connect van). So yah, just with the amount of hot and cool cycles, the coils don't do well once theyre removed. It's another story if you're changing your plugs every 30k or so. But at 100k, save yourself the frustration.
Excellent video! This will help me in overcoming my fear of changing them myself.
Once you do it you will see just how simple it is.
That you for such a quick respond,
I forgot to mention that before it seem like it had a very small misfire but after I gap them to 51 it got a lot worse
Thanks for this video! I bought a 2010 Focus a few weeks back and have started getting a misfire. My guy has told me there's nothing sexier than a woman covered in grease doing her own car maintenance, lol... so your video is my first tutorial. Very easy to follow and I love the music at the start... it makes me want to GET OUT THERE and GET 'ER DONE! :)
mousepotato66 Awesome! They truly are very easy on this vehicle.
mousepotato66 that's hot!!
Bunch of helpful tips during an straightforward job. Thanks man
I like the idea of blowing your the cylinders with compressed air I've never thought of that but it looks like a good idea
+Jason Wilke It's a very good idea yes.
05fordfoucus16.zeteck engen spark plug wyte asb
i understand blowing off the top where all the dirt is but i dont agree with using the air to blow inside of the coil/plug when the plug is out. Id rather use a vac bag to suck all the crap out of it instead of it falling inside the cylinder.
+richardsimons2 pressure is higher in the cylinder than outside of the hole how is the debris going to get inside? So much debri comes out of the cylinder and threads you will never get it that clean with a vac
Thank you, Great information!!!!! job when real smooth , the magnetic sockets are the shit. worried get the plug down in the cylinder head .
Thank you. I was able to replace spark plugs myself, thanks to this video :)
Excellent video, thank you!! What’s the torque spec for the 8mm bolts holding in the coils? Just snug or did you mention it and I missed it?
Thanks for the video; have some questions:
1. What is the socket size for the plugs ? 5/8 or 13/16 ?
2. After the plugs are extracted, you sent compressed air to clean the threads; wouldn't it cause any tiny debris to fall back to the engine and damage the engine ?
3. Those grease for threads and boots are really necessary ? Are all mechanics using them when plugs are changed ?
4. If I do the change myself; can I skip those application of grease ?
1) 5/8"2)No the cylinder and threads are cleaned at the same time with the compressed air creating a high pressure area nothing is falling into the cylinder.3)Anti Seize can be skipped the new plugs are plated but will still gall coming out next time.4)Dielectric grease is a must.
This was vary good and vary helpful. My car how a bad valve cover gasket but I didn't know it for sure until I watched this video.
Yeah that is common too causing misfires.
Oh yah, happens all the time on these engines but thankfully its a pretty easy fix. However do NOT use anything but an OEM gasket for this particular engine. All the other options tend to fail rather quickly if not immediately after. I highly recommend rockauto if you want OEM or similar parts for fairly cheap.
Thanks for the positive feedback, more to come!
Hi can install sp 541 instead??
@FordTechMakuloco may I know sir what's possible cause of my ford focus it's turned into speed limit mode and started to jerk while I'm driving !?.. thanks
Dude that compressor made me jump!!
Hindholam and I said out loud "what on earth..."?!
Thanks so much. My wife's 2010 Focus SEL has new spark plugs thanks to you
just changed the valve covers gasket thanks to your tutorial. However I'm still getting oil on the spark plug electrode part and not the top part? Any ideas what could be wrong? (same car)
Thanks for the vid. Used it as reference to take a look at the CHT sensor position. Put my car in for a service and the idiot who did the spark plugs must have knocked the plug. Had my radiator fan running straight away from a cold engine start!
Perhaps remind people to hold extension perfectly vertical, then turn backwards until they feel the threads 'click' and know that the threads have met properly, then turn clockwise to tighten, by hand.
I like the idea of using anti-seize on the plug threads, but what about that interfering with the plugs grounding properly?
+1001Hobbies not an issue the entire plug threads are in contact with the head and also the plug seat area.
A friend has a 2010 Transit connect with this same engine as this focus,,Today he tried to replace the plugs the first one broke in the head ,,,Lots of rust in the hole,,,can an ease out get the shell out of the hole or will the head need to be pulled and sent to a machine shop?? Thanks in advance for any suggestions,,,Best Regards
Thanks for the well made video. I have to replace the plugs on my 2010 Focus. Looks like it should be an easy job.
I have modified my 2007 2 Ltr Duratec engine with re-enforcing the bottom end, fitting Raceline cams and throttle bodies increasing the output to around 205bhp. My question is do you recommend that I use the standard plugs as identified in the video or something else. The original plugs are still in the car and when i checked them yesterday there is not much left of the centre electrode and the gap was 130 thou so thought it was time for a change and that there maybe is an alternative plug. The engine is fitted to a Lotus 7 replica.
Just got some Bosch platinums for an '07 2.0 (8108), and in tiny print it says don't gap or use antiseize. They don't seem to have a coating either. FWIW
You know Bosch ignition and Fords do not mix right?
glad I found this video!! .. years later.. today is Oct 24 2020.
Are these the same sparkplugs for the S-Max with the Duratec HE 2.0 engine ?
Great video. My 2006 focus is running very rough. Will changing plugs clear any of that up? Is there something else that could be the problem? Also, why didn't you change the coils as well? When do they need to be replaced?
To prevent cross threading I have always gone backwards slowly and with little pressure when I hear the click that's the two in threads dropping into place and I go forward slowly you should feel the threads bite as soon as you go forward. I have done this many times to prevent cross threading especially with something as delicate as aluminum threads.
That works too.
Hi, nice video. Question....mi focus uses saprk plugs with platinium tips but the last "mechanic" i took it to replaced them with regular ones, do you think this could damage or afect the engine in some way, should i replace them again with the original ones? Thanks!!
Awesome video. Will apply to our 2008 Fusion 2.3l. What should the gap be for this car? Will foot pounds be the same on install of plugs?
Frank Frost It is very similar. Yours is .049"- .053" spark plug gap and plug torque is 106 in lbs
Great video! Looking forward to more Focus related ones
Recently changed the plugs for my 2010 with 75K, I did notice one plug feels a bit "sticky" while threading in, will that cause problem later on?
I used the "old school" method to start the thread, a piece of 3/8 hose grab the boot end of spark plug, and threaded in by hand. I did torqued them to spec. Didn't use anti-seize though
As long as it threads in and tightens down you should be ok. I noticed the anti seize from the factory still on the threads in the head can make them a bit hard to turn by hand.
FordTechMakuloco Thanks for the reply!
I just went back to check the workshop manual, Ford did call for dielectric grease on the end of boots, but did not mention putting anti-seize on thread. I know anti-seize will make my life much easier the next time when changing the spark plugs, but always wondering how effective will it be. Any insights from your experience?
Anti seize on the threads of spark plugs going into and cylinder head is a good idea but especially on aluminum heads because of galvanic corrosion. The new spark plugs are supposedly coated with a nickel alloy composition which makes anti seize not totally necessary but who is to say which ones are or aren't? So I just put a light coat on as a force of habit and then I will never have a problem.
FordTechMakuloco It's always good to know. Another awesome lesson learnt. thank you.
The spark plugs of an American focus 2009 have to be calibrated
How is that? Until what measure
Thanks so much great video! Question- can I use any other antiseize product, such as ford XL6?
No the items specified is what should be used.
antiseize from any other company is the same thing, just branded differently. Permatex works as well. You don't HAVE to use Ford/Motorcraft service products for everything.
On my 09 focus. I started it up and it blew the boot seal off the CHT SENSOR and is very loud now. Did a plug blow out cold like that or valve cover gasket? Or blown motor. Oil on dipstick looks good ,antifreeze is a little low but looks clean. What do you think? Thanks for any help
This is probably the best video on how to change spark plugs on a Focus, period! When i changed mine today on a 2011 Focus, i noticed plugs 2 and 3 were a little bit rusty on the hex part where you torque them. Also, i could see some liquid inside these 2 cylinders with a flashlight. It was on top of these 2 pistons that i could see the liquid and on the threads of the spark plug. The other two cylinders and spark plugs (1and4) were fine, normal wear. The liquid looked like a mix of windshield washer fluid and coolant mostly. I am considering a head gasket failure or a cracked head... Otherwise this car starts and drives fine. If the valve cover was faulty, could it create this kind of mess? I am puzzled with this one. Thank you!
If the vehicle still runs great then my best guess is that the liquid was fuel from the intake or compression stroke.
2.0 Duratec’s consume coolant regularly. Still in 2023 hasn’t been updated with the 2.0 Ecoboost. Just keep the reservoir topped off with good coolant.
You rock! Big help. Thanks for the videos
Okay I figured it out. It is 5/16 and the bolt is in there pretty tough. You definitely need the drill.
What’s wrong if you pull the plug out and you do see oil??
Is the 2008-2011 focus generally a reliable car?
I did my 10 fusion holy crap fronts cake back omg and I didn't gap them no access to gapper were I was at all the looked close it runs fine but is it OK
Good to know!
Is this the same procedure and part numbers for a '02 Focus with the DOHC Zetek engine? The valley on ours doesn't look as deep as the one you're working on in the video.
Do you not need to change the coil boots along with spark plugs? If not, when should you change them?
No need
@@FordTechMakuloco Thanks for replying. Just found out two of my four ignition coils are 3/4's filled with oil. Trying to make sure I order all the things needed before fixing the problem.
I am attempting to replace the plugs on 2006 2.0 l ford fusion. I started to loosen plug and it was very tight. I was afraid it might break off,(seen your other videos on this disaster) so I was wondering if one should use any penetrating product? Car had quit running completely and wouldn't turn over, but lights worked. It finally started and ran fine. Had codes read and it gives a U0100, which is lost communication with drivetrain, no specific thing to check for that. I'm thinking possible misfire and caused computer glitch. Also had P0128 code, which I think is thermostat, seems to be common problem with this engine. Little oil around one plug, others dry. Can't tell it's misfiring now, starts up good. Appreciate any thoughts on this, I need to get my new truck back from wife! lol
David Bowd I would put wd-40 down in there yes. Some are scary tight but take them out by hand and be slow about it and the threads will be ok. The P0128 is definitely the thermostat very common on these just be sure to vacuum fill or follow the bleed procedure exactly or you will have an overheat situation after the fact. If you have oil around the one plug now is a good time to replace the valve cover gasket also. The oil around the plugs can actually cause misfires.
***** 2.3liter four cylinder. WD 40 worked great.
Yet another Awesome video !!! I especially like the way you give extra attention to cleaning out the wells with compressed air. Question !!! One of my cop retaining bolt spins and won't come out, any suggestions !!!
Will this video work for a 2010 Ford Focus SE? If so what are the gap specifications?
Yes same engine and spec for 2010 is 1.25-1.35 mm (0.049-0.053 in)
thanks for the helpful vid. first time trying it anything to watchout for? when you measure the plug gap it's ok to have the gapping tool touch the center electrode?
+Okaythen001 Yes you can have it touching the electrode. Only thing to watch out for is be very clean about it and once you pull the coils first thing check the plug wells for oil if dry continue if wet replace the valve cover gasket.
I can't afford the tuneup needed for my 2011 Ford Focus so this video is gonna have to walk me thru. Is everything with exception of plugs the same ?
tjamison36 Yup they carried that engine through with no changes very simple repair.
FordTechMakuloco I did everything you did but my car hasn’t had spark plug changes in 8 years.the car won start after putting new spark plugs
Thanks for the informative video! I have an '08 Focus with 167,000 and the original plugs. I replaced the plugs today going by your video. While pulling the coils off, I noticed that 3 out of the 4 plug holes had oil in them and 1 was where I couldn't even see the top of the plug. What would cause this? I got all of the oil out without pulling the plug out and then changed them out. But apparently I have another issue. Thanks for posting these helpful videos!
Clay McClanahan You need to replace your valve cover gasket that is where all the oil is coming from down in the spark plug wells.
FordTechMakuloco Do you have a how to video on doing this? And another question, my mpg has dropped by 3-4mpg. I've changed the plugs and I have a K&N air filter. Tires are new with correct air. Driving habits haven't changed. My check engine light was on and it checked out to be the coolant sensor built into the thermostat housing. I've yet to change this. Not sure if this would have any affect on anything other than the temp gauge. What would you look at next? Thanks for the response to my other question.
Clay McClanahan I have one that is similar yes-
Valve Cover Gasket Oil Leak Repair Zetec 2.0l Ford Focus
I would do a pcm reset after you repair the coolant light then revaluate.
Ok, thanks. I'll change out asap and see if it makes a difference. Would a housing from Advance or such be just as good as a Ford oem piece? There's about a $100 difference between them.
I would get the Ford housing for something like that.
Thanks, good detail, I’m gunna do mine now😅
Hi I have a 2007 focus 131k.
I'm getting around 18mpg so I decided to check the spark plugs.
It has autolite db platinum with gaps of .40. So I gap them to .51, now the car seem to be misfiring. No check engine light
Any tips? Also if I replace them to motorcraft would I get better mpgs
Absolute first thing to do is replace them with motorcraft and set at .051", rest KAM and relearn and recheck. How To Clear your PCM'S Memory on Fords After Repairs
thank you so much. but what does it mean if there is any coolant or oil on the coil?? mine had some
you needed a new valve cover gasket
I change my Motorcraft 104 copper core spark plugs (gapped @ .055) annually, including the COPs. Four plugs and new COPs costs me under $40 from eBay or Amazon
@Derek Gardin
didn't change the COPs this year
I don't recommend removing the electrical connectors unless you absolutely have to. I did this on the first one and when I went back to clip it on it wasn't clicking in. So I lifted on the tab and it broke off. Probably because it's made of plastic and the engine heat has made it brittle.
can you do a video for the spark-plugs on a 2013 focus ST
thanks for this video. it helped. however i have a quick question. my car is a 07 ford focus and it vibrates alot when it runs n when i press the gas pedal and accelarate it vibrares even more. can u tell me what is wrong. also it just comes and goes.
+Diego Meneses check the engine mounts first. lot of reasons it could be vibrating, if this is happening during acceleration mgiht be a fuel issue or could be a tire that wasnt tightened correctly. or an axle. could be a million things does the vibration stop when at a stop light or parked?
Hi, I replace the spark plugs today for the oems and now there is a small tick. Did I do something wrong?
As long as they are the correct ones and torqued down correct you shouldn't have any issues pretty cut and dry. Is it very evidenty there is a tick now and it was quiet before? Also how does it run now.
i went to go change the plugs and the head on the 8mm bolt that holds the boot on snapped...any suggestions on how i could get it off..??????
Where is head temperature sensor? Ford Focus 2010 2nd generation North American SE. The problem arose when I had a leak in the heat radiator, I put some special matter into the coolant liquid, the leak disappeared. I wonder could this stuff make an effect on the sensor? Will it help if I purge the system?
Thank you understood and already reversed the
Hi there, what it should be the gap for a Ford Focus SE 2013, I got Denso Iridium tt plugs and they came pregap at .040 Thanks
Will this method work with a 2003 Ford Focus se model? I would probably just need the right set of spark plugs ..?
TheKynderoo Yes very similar.
hey so im looking to get rid of my DRL lights on my 2009 ford focus but i am not aware where my fuse or relay is located, any suggestions? i live in California and dont need them
vK ProdigY uuuggghhhh were both on the same page, I own a 09 focus and also and I don't want the DRL ( for reasons of my own) I don't need another person preaching to me about the importance of DRL. But im looking for answers online and apparently there is this pcm that only the ford dealership can turn on or off through there IDS tool. Reason why our focus have DRL and other focus 08-11 don't have them is because some were built in Canada and there is a law that cars built in Canada must have DRL. The rest were built in Mexico. Have you figured it out yet? I would like to know myself.
no nothing yet.. i called ford and they just say theres nothing they can do since car shouldnt have them
+vK ProdigY These cannot be turned off like others it is PWM so no separate fuse-If the SJB is configured for Daytime Running Lamps (DRL) , this
feature illuminates the low beam headlamps at a reduced intensity when the
following conditions exist: The ignition switch is in the RUN position.
The headlamp switch is in the OFF position.
The transmission is not in PARK (P) (automatic transaxle).
The parking brake is not applied (manual transaxle).
The DRL is not a programmable parameter for this veh
I have a 2007 Focus and a couple of the spark plug wells have motor oil in there. What would cause this?
Valve cover gasket.
@@FordTechMakuloco thank you. do you have a video on that?
@@FordTechMakuloco Never mind. I found the video
hey my mechanic says none of his spark plug tools are fitting the stock spark plugs in there.... he says its something between 13 and 14 inch and from what he describes its like a triangle at the bottom.....says only ford would have this tool. Any opinions please? he also mentioned that this happened with another lady who had a toyota matrix
i called ford and they are saying they do not have such special tools at all?
im left out in the open!
thanks
(my car is Ford focus 2009 se auto)
TUMBABS No special tools at all for these a regular 5/8" spark plug you must have some funky aftermarket plugs in there.
+FordTechMakuloco
As much as I would like to do this myself. I don't have all the tools you have. I don't have a long ext. You said you have a 2 footer. How much does it typically cost to have a mechanic do this job if you buy the 4 spark plugs for it? thank you!
You could do the job for under 40 dollars and 15 minutes of your time, that's if you use non oem plugs. You can get a pack of plugs for 16 dollars or you can get the oem for around 30 dollars. Amazon sells an extender with the correct size 5/8 spark plug socket for 16 dollars, plus don't forget your gap tool for $1.50 or less.
Get yourself an extension. Easiest spark work you'll ever do.
is the 2.3l any different than this procedure?
that is the 2.3l engine
how do you know when to change them? there is nothing in the maintenence manual for changing plugs?
My far right spark plug well was full of oil. Obviously, this can't be good. Any chance you can tell me what the problem may be?
could be the valve cover gasket or spark plug hole gasket (under valve cover)
not4u89 I had that exact problem. I changed the valve gasket. There was not a problem after that.
Thank you so much!
thanks for your precious videos mate!
Nice video! At what mileage should the timing belt be changed on an '05 2.0l?
the 2.0l duratec uses a timing chain setup and there is no set replacement interval.
FordTechMakuloco Sorry, not to waste your time, but I could have swore the 2.0l used a timing belt. Did earlier years have a belt?
Yes the earlier zetec and spi did use a timing belt that had to be changed at 120k miles, all the new duratec 2.0 have chain.
what's the list of tools you use ?????
thanks for the video
I have a 2012 focus. Why is it that I see no videos of changing spark plug Wires, are there none to replace for focus, I don't get it
Because they have coil on plug design. More efficient. Eliminated need for wires.
Do I need to purchase spark plug wires and is there a video to install those also ?
tjamison36 There is no wires on this engine. If you have the older zetec engines the Ford wire sets come pre installed together so they just push in.
I was wondering if you could use aluminum anti seize instead of nickel. I ordered nickel and sure enough i received a message saying they were out.
Do not use any anti-seize its not needed at all for spark plugs they are already rust proof.
what happens if you over tighten it i did all this but when i tightened it I did it as tight as i could go its still misfiring should i replace the wires and coil?
Did you ever find out what the miss fire was...Worse case it could be a warn camshaft and one of the valves is not seating right or to put it better a bit out of time. I use to see that problem on old MG cars
Good video what is the spark plug calibration
Factory gaping is .053 on stock you can gap up to .060 w/ stock coils. I run .058 on my own ford focus. I decided on that gap after doing some research on forums.
thank you for this video.
What is the name of the sensor in between the spark plugs
Cylinder Head Temp Sensor.
Great video. What size of socket for the spark plugs I must have missed that?
They use the regular size of 5/8"
PLEASE, PLEASE, PLEASE HELP!!!!!!! What is the name of that little rubber cap that sits in between the spark plugs. Mine popped today and it now my engine sounds like air is escaping from that area.. Do you know the name of that thing? Thank you so, so, much. My car sounds like a friggin lawn mower. HELP!!!!!!!!!
goldmind85 The ones with wires coming out of it? Can you post a picture to my facebook page?
what plugs are used for a 2005 ford focus zx4 ?
I bought a 2005 Ford focus and it sometimes revs by itself half of the time I'm driving I don't even need to push on the gas it just goes I'm about to replace all my sparkplugs hopefully that was the problem because the isc def wasnt it
Check your MAF (mass air flow sensor) and clean with MAF cleaner. ALSO the IAC idle air controller can go bad. Good luck!
Brian can you tell me the spark plug torque spec for the 03 focus 2.3L ?
108in lbs
Its an 2009 as well. But thanks for clearing that up for me though.
What direction you need to turn to remove the sparkle plug?
Counter clockwise
What is that in between the spark plugs ??
CHT sensor.
Well done video. I would have skipped blowing air into the cylinder after the plug was out. Seems like if there was debris it could blow it into the combustion chamber.
+Matt Rankin no the air wand is inserted into the cylinder then turned on introducing positive pressure with the easiest exit being the spark plug hole going out of the hole not in.
+FordTechMakuloco Oh ok, when I do my change I'll do the same.
What is the part number on this ignition Coil?
Hay man I have alot of oil in my spark plug well. What sould I do?
what year and engine?
See here- Valve Cover Gasket Oil Leak Repair Zetec 2.0l Ford Focus
Oh yea, Why do you need the dielectric grease in the coils?
It just insulates the boot to plug connection from moistures and such so the spark does not jump.
How about the ignition coils? When do they need to be replaced? Could they be part of my rough running engine?
Can anybody tell me what that bulb looking thing is in between and in the middle of where all the spark plug wires go down into the engine are? I've tried to look everywhere and even the owners manual and I have no idea what it's called.
+Brandon Prosser that is the boot for the cylinder head temp sensor
+FordTechMakuloco THANK YOU SOO MUCH
My spark plug wells are full of liquid is this normal?
No its not, replace your spark plug well donut seals. You have to remove the valve cover for that, it comes as a kit under "valve cover gasket set".