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Bad misfire - VY V6 Berlina

Goolz96

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Hey guys. Just wondering what other causes of a bad misfire would be?
Coil packs, spark plugs and leads have all been done correctly.

The car tends to carry on and miss pretty bad when hitting 2500-3000rpm at 60-70km.
Also idles pretty rough or while rolling. Can hear it in the exhaust but no leaks been found upon inspection.

I'm stumped. Any other possible issues or any I should be concerned about?
 

Whiteshark68

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Have you replaced your DFI module under the coils?
 

Tonner Matt

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There are a number of things that could be causing it
Have you had it scanned for fault codes yet to see if it has any stored ?
 
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