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Discussion Starter · #1 ·
Today my car has started misfiring and the emission lamp has been flashing. VW said to take it to them for the day but i've heard you can self diagnose it with a vagcom? is this true and if so where can i get one and how much will it cost. Or...am i better of getting fleeced at VW?

Thanks
Sophie
 

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you'll need to spend a bit to buy vag-com unless you buy the read only software off ebay.

The above symptoms are what happens when a coil pack gives up.

My advice is to buy a new coilpack and try it on each plug until the car runs right. That way you'll find the faulty one.

Coilpacks are about £16-20 from the dealer and usually in stock. A very very simple thing to fix.
 

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Hi sophie. Yes, it can be diagnosed. Its highly likely that you have a dodgy coil pack, and the error will be a random misfire and then it will also tell you which cylinder its on.

coilpacks are about £20, so its far far cheaper and easier to fix this yourself than let VW rape you for £££.
 

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Discussion Starter · #4 ·
Thanks for the feedback, the problem i now have it that she wont start at all! Engine turns over but wont fire.
 

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Had this warning lamp on mine around xmas time. Mine was misfireing and also had to have a new lambda sensor. Didn't cost me anything as it was covered by warranty but VW did have my car for 4 days !
 

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yeah sounds like a coil pack to me, quite common I think although I haven't had the misfortune.
 

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My warning light has been on for 2weeks now.had a new lambda sensor fitted and the guy at vw bristol said to drive away at it because there is probably a bit of petrol lying on the sensor and that it just needs to be driven hard so as to get rid of it. Going to go into them tomorrow morning and get them to check it. I will keep you updated.
 

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I would try and find someone with VAGCOM and find out which cyclinder is misfiring, it could well be a couple! VW have had a major backorder for coil packs and when i went to source some i was told they would be in on such a date, when went to collect there were still on back order for another 4 weeks or so!! Tho i do know APS should have 6 on there shelfs, might be worth giving them a ring, will even check the car over for free no doubt then just charge you for the packs.

HTH

Jimmy :)
 

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Discussion Starter · #9 ·
Unfortunately i have had to trailer her down to the stealers because she still wont start. The 'helpful' recovery man didn't even have the option of 3.2 V6 on his laptop when he plugged it in, it only went as high as the 4 motion. I am hoping that it will be something simple but if it was a coilpack then it would still start surely, just run like a bag of nails?
 

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hey guys i know this is an old post but this morning i noticed misfirirng and then the coilpack set on fire and now the car wont turn over. The question i am putting across is that if one coilover doesnt work does this prevent them all not to work? Also does this affect the four wheel drive ta guys
 

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is the connecter ok? a short could cause a fault where none of the packs will fire. blown fuses etc. anythings possible. shouldnt do any mechanical damage though.

if you have vagcom that will tell you straight away what the problem is.

when you say wont turnover. you mean it turns over but wont start or it doesnt even try? i would look straight at fuses if this was the case.
 

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I had the warning light flash on my mk4 on the way home from work on tuesday. It was obvious that it was misfiring, and a bit of googling led me to believe a coilpack had gone faulty.

Now i know absolutely nothing about cars, and replacing the coilpack has been a huge undertaking! But...

I managed to get a coilpack today, and with some trial and error, i was able to detect which one was faulty and replaced it. It now sounds and runs fine, however...

The exhaust emission warning lamp that had previously been flashing is now on constantly.
. The car has sat in the cold, on my driveway since tuesday, so is it possible that it is just some fuel that needs burned off? I took it for a spin for about 5 minutes, but the light stayed on the whole time...

I tried putting the faulty coilpack back in, and the misfiring returned, so a coilpack was definitely the original problem. It just seems unlikely now that there is a related problem... It surely is a coincidence?
 

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You may need to connect the car to Vagcom / VCDS to reset the light.

Also, R32s are covered under the 28F5 coilpack recall that was issued by VW in Feb 2011. If your car hasn't been checked, your local dealer will check all the coilpacks and in nearly all cases replace them all free of charge. To check if your car has been done, just give the dealer a call or check for a sticker with "28F5" written on it next to the spare wheel well in the boot and under notes in the service record.
 

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Thanks for the quick reply.

Wow! I have owned the car since january 2008, so i doubt it has been done. I certainly have never been told about it if it has, although it has always been serviced by a vw specialist rather than vw officially...

Just out of curiousity, how would an owner be expected to know about the recall?

I might ring vw tomorrow and see what they say and replace the faulty coilpack and get the rac to take it in...
 

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Thanks for the quick reply.

Wow! I have owned the car since january 2008, so i doubt it has been done. I certainly have never been told about it if it has, although it has always been serviced by a vw specialist rather than vw officially...

Just out of curiousity, how would an owner be expected to know about the recall?

I might ring vw tomorrow and see what they say and replace the faulty coilpack and get the rac to take it in...
As it is not classed as a safety recall they won't write to the owner to make them aware. One of the things that they check when the car is in for a service is that there are no outstanding TPIs (Technical Product Improvement) and recalls against it.

This recall has been pretty well publicised on all the VAG forums as it affects a lot of VAG cars.

When you call your dealer on Monday, make reference to 28F5

Yes, make sure you put in the original coilpacks back in as they will only replace original ones.

Link to thread on this topic

http://www.r32oc.com/topic/29781-the-official-coil-pack-recall-thread-mk4-mk5/
 

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Did you get the coilpacks changed by the dealer and your problems rectified?
 
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