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Focus Mk2 Coil Pack Replacement


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#1 artscot79

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Posted 22 March 2013 - 02:53 PM

well the time came at 75k when the coil pack finally needed replaced

symptoms were rough intermittent idle with slight vibration through the car and a missfire at idle which caused the eml to come on then go off again

 

so new coil pack now ford ask silly money so i hit ebay instead and got a genuine bosch one thats supplied on the car from the factory for less than £30 delivered

index.jpg

 

removal is a simple process you require a t25 torq bit and a small ratchet to do the job some advise removing the negative battery terminal ive never had to so thats up to you really

 

first theres a black pipe that runs across the top of the coil this simply unclips in situ to give access

next remove spark plug leads 3 and 4 no need to do the rest

next undo the 4 t25 torq screws

the coil is now free and you can push the connector clip in on the underside to remove

 

fitting is just a reversal of the above making sure the pipe is clipped back into place

 

as for leads i have examined the ford leads and there is a small symbol marked on the lead which indicates it is a bosch product so you can save youreself a lot of money buying genuine bosch leads as a replacement as they are half the price of what ford charge



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#2 Brigante

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Posted 22 March 2013 - 06:35 PM

good result arthur mate

 

 

could it be the coils thats causing my fault code p2303?



#3 artscot79

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Posted 22 March 2013 - 06:43 PM

Thats the code for the coil pack i always change plugs leads and coil pack but ide say its the coil pack same fault code i had

#4 Brigante

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Posted 22 March 2013 - 06:51 PM

thoughtso. would it be this that made my check engine light come on then?



#5 artscot79

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Posted 22 March 2013 - 07:12 PM

It did with mine youll have the bosch one as well on youres which was part number just so you can check its on the top of the pack part number 0221 503 485 you get them here http://item.mobilewe...nid=87642246364 with the pack replaced the code will clear itself

#6 Brigante

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Posted 22 March 2013 - 07:31 PM

nice one mate i'll have to do this at some point

 

 

do you reckon it needs to be replaced soon?

 

as i haven't really had any symptoms n the car has been driving fine
 

 

must be about a month or 2 ago now maybe more, the engine light came on at 2 occasions during a week. basically i was driving around as normal, the first time i'd drove to tesco with the missus, done the shoppin, got back in the car but on driving back home i noticed the eml now stayed on

 

turned the car off n on a few times to see if it was a glitch but it stayed on. done the trip computer diagnostic mode but on doing this the light cleared itself immediately

 

 

few days later i drove to birmingham, no problems. few days after that i got back in the car to drive back to nottingham but on starting the car, the eml light stayed on again. done the trip computer again n this cleared it again.

 

about a week later i returned to birmingham n had my mechanic do a diagnostic n it spat out p2303. we googled it n it come up with it being the coil pack n he said its a cheap easy replace that i could do myself n just to keep my eyes on it n if the eml comes back on to think about changing the coil pack

 

 

like i said this was all a few months ago now n the eml aint come back on since n the car's still seems to be driving beautifully with no symptoms.

 

do you reckon its alright or still reckon its worth changing the coil pack now?



#7 Brigante

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Posted 22 March 2013 - 07:38 PM

just thought, could this also cause my car to not start?

 

dunno if you remember but many months ago i had starting troubles where it took 2-4 attempts before the car would start

 

but this seemed to of been solved by running a can of bg44k through me pipes n it's started first time every time since even in bad weather



#8 artscot79

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Posted 22 March 2013 - 07:40 PM

There was clearly a fault at that time the missfire wouldnt have been noticeable until the car had been idling a while i had the same as you light came and went ford found the same code and left it idling a while and the missfire happened twice then cleared apparently its common for the price of a coil and ten minutes under the bonnet ide just replace it better that than causing damage to the cat or failing when you dont need it to

#9 artscot79

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Posted 22 March 2013 - 07:43 PM

Yeah it causes starting problems as its mainly the number one coil that goes first intermittantly ford mech told me on the foci youll notice slight hesitation vibration in the cabin poor starting and a few others

#10 Brigante

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Posted 22 March 2013 - 08:39 PM

cant say i've noticed any problems at all though, if it wasn't for the eml light coming on twice a few months ago i'd of never thought anything was wrong. ever since running bg44k through aint had any starting problems either

 

 

your right though and i've got a 4hour drive to wales next month then another 4hours back so i think i'll get this replaced before then so i dont end up having any problems on the long drive

 

 

nice one mate very helpful as always



#11 artscot79

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Posted 22 March 2013 - 09:05 PM

to be honest i never noticed much either but what the hell its not expensive and easy to do with this weather i wasnt risking it

 

tell the mrs im helpfull shell vote you britains funniest comedien lol



#12 Brigante

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Posted 22 March 2013 - 09:56 PM

Lol your very helpful mate n i'd say it to her face

when it comes to cars anyway, can't comment on anything else

#13 artscot79

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Posted 23 March 2013 - 06:53 AM

thanks :wub:  anyway hopefully thats you sorted ive still got the leads to do but its brass monkeys and blowing a gale outside my window looks like a scene from the day after tomorrow



#14 Brigante

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Posted 23 March 2013 - 04:59 PM

Lol no problem. Just thought, the way you said in your first post bout its come to 75k n the coil pack finally needs replacing.. My motors just gone past the 100k mark so thats a bit worrying. Should my coil pack have been changed long before now?

Its a blizzard here mate, fed up of seeing the snow falling, the skys completely white and theres a few inches of white carpet on the ground. Cant even see the car



#15 artscot79

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Posted 23 March 2013 - 05:35 PM

Im used to the coil pack giving up early as it was a common fault on the mk1 the placement means it gets a lot of heat so it breaks down quicker

Theres not really a specific mileage mate they just go when they go some fail at 30-40k some 70-80k some last longer given the fault code and light from past experience with the mk1 its a slow start to the eventual breakdown of the coil so when it happens its safer for the relative cheap price just to do it same with the leads

Weve had the snow already its still blowing through just not settling its just bad wind 5, mins outside and you feel as if youre face has been sandblasted wasnt ideal weather to change a coil pack but it has to be done lol dont worry that it hasnt been changed the focus coil pack usually is only evident theres a fault when the engines nice and warm and youre stationary at idle after a few minutes you feel the vibration a change in engine tone briefly etc since its so !Removed! cold and the engine doesnt get that hot you wouldn't notice

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