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Vz sv6 miss fire

Vs statesman2003

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Vs statesman
Vz sv6 has mis fire... used to only have misfire undeload eg between 80 and 100kms
Recently replaced plugs and coils and since then it has a rough idle constantly after about 10 seconds of running... any help would be much appreciated
Parts replaced
Throttle body
Plugs
Coils
Fuel pump
Fuel filter
Vacuum lines
 

Gridlocked

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2017 VFII SV6 Commodore
Vz sv6 has mis fire... used to only have misfire undeload eg between 80 and 100kms
Recently replaced plugs and coils and since then it has a rough idle constantly after about 10 seconds of running... any help would be much appreciated
Parts replaced
Throttle body
Plugs
Coils
Fuel pump
Fuel filter
Vacuum lines
Apologies if I missed it but are you able to connect a scanner and check what if any codes it may be throwing up? You appear to have covered the obvious parts, I would've pegged it as a coil. It may be an issue with a failing signal line to a coil? I'd be checking for codes first before throwing any more money in parts at it.
 
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