Coil Pack Issues with in Tune Mode?

[Nindey]

Hi All,

Has anyone had any issues with their Coil Pack with APR tune installed? I have a situation with my 2T Auto Tig, without tune the car drives fine but with tune it runs rough, misfiring. I have taken the car to VW and they have said the car is fine and to monitor it, I cant tell them the car has an APR tune otherwise they will say the car has been modified. APR dealer has told me that its a defected Coil Pack and they have been very helpful but now I am stuck with car that is technically under warranty and I cant drive it in tune mode as it will misfire. Anyone with a solution without spending roughly $300 to fix this would be appreciated... anyone else had other issues with Tig Quality issues?

Cheers

Mike

[Tim]

Is it misfiring on a particular cylinder or are the misfires across random cylinders? Your tuner should have been able to tell you that via the error codes logged in the ECU.

[Nindey]

A particular cylinder, they have been nice enough to give me the print out of the error which I gave to VW but according to VW the car test drove fine and the car has seemed to "Have fixed itself"!!! This isnt a dig at APR, they have been great but I dont know how to get around this issue without spending $$ on something I shouldnt have to.

[team_v]

I haven't had any issues with mine so far.
Even after the downpipe, air intake, muffler delete and stage 2 tune.

Could just be a problem with the coilpack where it works under normal conditions but fails under more load.

I believ there was a coilpack recall for the Mk5 or Mk6 golf, might pay to check out their respective forum areas for more info.

[h100vw]

A particular cylinder, they have been nice enough to give me the print out of the error which I gave to VW but according to VW the car test drove fine and the car has seemed to "Have fixed itself"!!! This isnt a dig at APR, they have been great but I dont know how to get around this issue without spending $$ on something I shouldnt have to.

I'll risk going out on a limb here. If it performs ok for VW then why should they put their hand in their pocket, to fix something that "isn't broke?"

Unfortunately, this is the whole warranty/tune up thing coming back to bite you.

Seriously, it is a rare thing to happen. Usually a coilpack would fail catastrophically and you would be good to pull the wool over VW eyes and get it fixed. At the end of the day, the easiest thing to do is buy a coil pack and have it fitted, job done.

Good luck getting a result.

Gavin

[Nindey]

Alright thanks guys, might just put it back in tune so it registers the fault again then put it back to stock and then take it back to them again, maybe after seeing it the second time they may change it.

[h100vw]

Alright thanks guys, might just put it back in tune so it registers the fault again then put it back to stock and then take it back to them again, maybe after seeing it the second time they may change it.

Maybe, they might have changed it for you, if you admitted to the tune being on there? Some dealers aren't that bothered about tuning......

Gavin

[ido09s]

I know it has a code to say its got an error but are you sure a set of plugs wont fix it?

Reduce the gap on that plug and see what it does

[Nindey]

going back to VW, fingers crossed! !

[team_v]

going back to VW, fingers crossed! !

Keep us updated.
Will be interesting to know if it is a model wide problem or just a "faulty" part.

Also can we please have that video of your resonator delete?

[Guy_H]

It has actually been diagnosed as a faulty coilpack, switch coilpacks around & the misfire follows the faulty coilpack.

[Aussiegman]

Just as a small idea, it could be the spark plugs.

The APR tune increases boost and leans off the AFR. If one plug is marginal it might be enough to make it miss. I would pull the plugs and check them before buying a new coil pack.

Also plugs wouldn't show in a diagnostic.

[Tim]

If the misfire followed the coilpack when it was switched then its usually gonna be the coilpack. Just replace it and be done with it. They can be bought cheaply from the US if your local parts counter is too expensive.

[Nindey]

Went back to VW, I think I wiped the fault code before I went and they said to me they cant find anything wrong. I dont see why this car works fine in stock mode when in tune mode it misfires. I thought these cars are able to engineered to take the higher boost! anyway will replace the dodgy coil, but I have been told they will all fail.

[Guy_H]

Coil packs fail - run it through Google (1,460,000 hits). Cars will take extra boost no problem, but if you have a bad component, it will show up quicker on a chipped car.

The other alternative is to drive around in stock mode until it fails, get stuck by the roadside, get towed to VW and then get it replaced.

Fact is, we keep 2 sets of coilpacks in stock (we don't even service cars here) and we never go to the track without a spare set.