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Hi, my son has a mk4 golf 04. He has a misfire on cylinder 2 we have put new plugs in had the injectors cleaned and swapped them about we have also swapped the coil packs about. It goes when you rev the engine But the misfire is still there when on idle. Is there any thing we are missing. Any help would be appreciated.
 

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2002 model jetta mk4 1.6 petrol SR
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What engine?

If it's a 1.4 or 1.6, and he's been using 95 RON fuel, then expect one or more valves to be buggered.
HI. My name is Vaun. i have a jetta mk4 2003 model 1.6 petrol SR i think i might have the same problem with the misfire. i saw that you where talking about petrol 95 and that. On my petrol flap it sais that i must only use unleaded 95 what must be done
 
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