RAC Called

[si easter]

The Griff started running rough just after filling up with the usual V Power for a bit thought I'd put diesel in it ! plenty of smoke out the back and a lack of power
RAC arrived after about an hour checked ignition side all ok , he reckoned it was probably a blocked injector . It just seemed to clear itself and gave it a good blast on the way home and was fine. so what do you guys think blocked injector ?
Regards Simon

[QBee]

Daughter had similar on her LPG converted Volvo XC 90. Again a Shell station, but LPG not V power. Dirt in the liquid gas blocked an injector, which needed the garage to clear it.

So you could be correct