All Things Mk5 > How to Guides / Troubleshooting

Missfire is back!

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robdf2:
im willing to bet its the PCV valve going.
read somewhere that if your revs stay high then its a cause.

jimmy-s3:
Where is it on the engine?

Saint Steve:
Under the top engine cover, top of the engine towards the front, just behind the diverter valve, if it's the same engine as the ed30

v2brett:
hi jimmy i had a missfire on my Gti last year on cylinder 3, after moving coil packs,data logging and swapping plugs etc i swapped the injector and all was solved in my case,  it had me pulling my hair out  :signLOL:

my car would randomly missfire underload mostly in 3rd gear and only after it had warmed up

jimmy-s3:
Any pics steve?

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