All Things Mk5 > How to Guides / Troubleshooting

Picked up my Gti today and broke down on the way home

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Dan_FR:
Lot less common on the K03 injectors of the GTI but not unheard of as pointed out above.

Do yourself a favour when buying second hand injectors - send them to a specialist and have the checked and balanced. Unequal injectors will not be picked up by the engine management system which will simply trim injection times as needed to get to the correct AFR and can/will mask an injector problem very well (unless the injector is very bad - I.e. stuck open or shut)

Injectors are critical to the proper running of these engines as they run so lean compared with generations past. Balance and spray patterns are very important.

TornadoV:

--- Quote from: DANBOY66 on November 01, 2016, 07:22:40 am ---if its injectors i have a set of 4 used ones you can have for £40 plus postage

i scanned a car yesterday missfire cylinder 4 we swapped the plug to cylinder 3 and the coil pack to cylinder 2 cleared the faults and went for a run and missfire stayed on cylinder 4 so its a got to be an injector or faulty wiring on cylinder 4

3 hours work for a mechanic

--- End quote ---

Thanks for that I really appreciate it. I'll hopefully hear back from the garage today and if it is injectors I'll have those 100%.

TornadoV:
Thanks again guys for all of your input. I'll keep this thread thoroughly updated to hopefully help others as rightfully put they are getting on now so new issues I guess will start to arise.


Sam

shoaybmakda:

--- Quote from: TornadoV on November 01, 2016, 12:24:59 am ---I think this is going to be the issue seeing how recently both the plugs and coils have been replaced.

Did you got for a new injector or used? Also how much would I be looking at for an injector?

--- End quote ---

I went for a brand new injector - cost me £250 all in parts and labour

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