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Red Bull's Daniel Ricciardo is already onto the second of his four Renault engines for the 2015 Formula 1 season after a problem in Australian Grand Prix practice.

AUTOSPORT understands that the V6 that failed in Ricciardo's car in Melbourne on Friday cannot be repaired for re-use.

The number of engines a driver can use before receiving a penalty has been reduced from five to four this season.

"We had some issues this morning so just didn't get enough time to get everything sorted for P2," Ricciardo explained.

"Instead of rushing it, it was a case of fix it properly and get back out there tomorrow.

"It's pretty complex, with the ICE [internal combustion engine], but there's some stuff going on there which we need to fix for tomorrow."

Ricciardo said the loss of Friday running was frustrating but not a large setback.

"The whole week has been a bit of a tease, we've talked about racing a lot but haven't done much of it and today was my chance to do a few more laps," he said.

"I'm more and more anxious to drive. I've got ants in my pants so it's just a bit more frustrating.

"It helps having two cars on track rather than one but we will pick ourselves up and do what we can.

"It's a small setback but I think we can still get our stuff together tomorrow morning in free practice three."

Red Bull was only 10th and 11th in first practice with Ricciardo and team-mate Daniil Kvyat, with the Russian then taking sixth in practice two.