Misfire on start up

nfarmer

Active member
 Worcestershire
Started the Z (2004 3.0i Roadster) couple of days ago and there was a misfire for a minute or two. Then cleared itself and no problems since. Ran DIS/GT1 this afternoon and got the followoing

Not bothered about ZKE (Alarm) or CVM (Hood) but any ideas what could have caused the misfire? Damaging exhaust gas is slightly worrying.

Thanks

Norman
 
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