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[Bojan]

Hello all!
I know it has been covered in many posts, but here I go....

Apparently, the coilpack on my 3.0 V6 died out today. Car was running perfectly yesterday, and today it runs like a VW bettle 

Tested it by pulling out the ignition leads, and it seems like cylinders 3 and 6 are not working.
I couldn't pull the leads all the way out, only 1-2 cm, and when I do so, I get tick noise (presumably when spark 'jumps' from lead to spark or surrounding metal) on cylinders 1,2,4 and 5. On 3 and 6, there is no such sound.

I'm almost 100% sure that the coilpack has failed, but wanted to double check before buying a new one (BTW. new one here is over 300€).ž

Thanks!

[Alex W]

I had a similar problem last year. The only way to be sure is to actually take the coil pack out of the car. I only examined mine by torchlight and couldn't see the damage so went about replacing spark leads, plugs only for the problem to persist.

I think you will have to remove it to find out what type you have before you can order a replacement. You will need the part number.

I replaced mine with a used one from a breaker.

[omega3000]

Only when you take it out and it looks like this you know its for the bin 

[Steve B]

Only when you take it out and it looks like this you know its for the bin 

omg that looks broke

[freecall666]

Only when you take it out and it looks like this you know its for the bin 

omg that looks broke

in some places it would be classed as art.

[dbug]

Take care with only a visual check - when mine went, visually it looked perfectly ok but a replacement cured my misfire.

[Bojan]

I've managed to pull out the coilpack. It's a 0221503010 (square connector).
It seemed visually OK at a first sight, but then I noticed a small crack between cylinder 3 and cylinder 6 plugs -> I suppose that this is the reason that for failure.

I will post a picture in a few hours.

Anyways, found several e-bay stores in germany, offering original BOSCH coilpack for around 130€.

[Bojan]

Just replaced the coil (installed new original BOSCH unit), and it still doesn't fire on cylinder 3 and 6!

What could it be?
The cables are connected correctly....

help 

[freecall666]

Just replaced the coil (installed new original BOSCH unit), and it still doesn't fire on cylinder 3 and 6!

What could it be?
The cables are connected correctly....

help 

what are your spark plugs like?

[Bojan]

I'm sure that they are good. I've replaced them 15000km ago.

Also, I'm still not getting a spark on cylinders 3 and 6. As said earlier, when I pull the cable lead of the spark plug, there is a knocking sound, on all cylinders except 3 and 6.

Perhaps the coilpack isn't getting the correct signal -> only gets the signal to 'fire' the 1-4 and 2-5 coils?

PS. I'm not getting any codes (did the paperclip test).

[tunnie]

Move the HT leads, see if the miss-fire changes

[tigers_gonads]

Check your plugs again 

I had a HT problem earlier this year.
Knackerd lead had burnt out the centre electrode on a plug 

[Bojan]

Both plugs and plug leads are quite new.
Also, I mounted a spare lead and plug, and it doesn't give a spark on 3 and 6, either.
So, definitely, coilpack is't giving a spark on 3 and 6.

After checking the coilpack cable (this is a signal cable, with 4 wires), I have seen the following:
 - the coilpack connector has been tampered with - it is tapped all over
 - there is one wire that is coming out the coilpack connector loom (its connected to just one of the wires in to loom), and it goes to LPG installation -> been told that this is used for turning on the LPG at certain revs

There is one thing that I'm very afraid now -> could there be any kind of short-circuit or similar in this loom, which could cause a brand new coilpack to burnout instantly???

[Bojan]

The car is finally fixed 

It turned out that ECU unit was bronen, so they replaced the faulty componenet, and the car is working fine now.

So, buying a new coilpack was a mistake, but, hey, at least I don't have to fear of coilpack failiure for some time

[TheBoy]

Very unusual to see those Motronic 2.8.x ECUs fail in any way