The Australian had enjoyed an encouraging weekend in Montreal up until his accident, as he made it through to the final qualifying segment.
However, he ended up against the barriers early on in Q3 as he spun on the exit of Turn 8.
The incident briefly stopped the session and meant Piastri ended up ninth fastest overall, before moving up a place after Carlos Sainz’s grid drop.
Asked by Motorsport.com for a summary on what happened, Piastri said the incident was a simple throttle error – which did not take too much of a shine off what has been a fairly uplifting event.
“I think it’s been a reasonably encouraging weekend,” he said. “I think most of qualifying was good, apart from Q3.
“But even in saying that, I’m not sure what the potential in Q3 would have been myself.
“It’s my first sort of major mistake and I had to get the first crash out of the way at some point. Just too aggressive on the throttle and that was all.
“It is easy t …