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VS V6 Bad miss

greenacc

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What codes are coming up?
 

VR38

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Pop the bonnet at night, in the dark, have a look what the sparks are doing.
 

Harvs82

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Switched the coils around tonight... still have nothing firing for cylinders 1 and 4... same injectors also not pulsing.

Does the ECU cut the spark if injectors fail?
 

greenacc

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Don't think the ECU would know which injectors were stuffed.
Are all the terminals clean on the DFI plug?
 

Harvs82

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Don't think the ECU would know which injectors were stuffed.
Are all the terminals clean on the DFI plug?

Yep everything perfectly clean. The DFI at best is 18 months old. Coils are a month old. Absolutely giving me the shits now.

Found that the new leads were also arcing against the heat shields too FFS...
 

greenacc

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Are they genuine leads? I think they're the best.
 

VR38

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Plugs torqued to spec?
 

Harvs82

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Not genuine leads but brand new anyway. Plugs brand new and torqued correctly. If I take the lead off cylinder 1 and 4 at idle there's no spark. Have swapped the coils around... same deal, all coils are working.
 

VR38

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Maybe some faulty wiring somewhere.
 
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