has improved its -powered 2019 F1 car over recent grands prix and Verstappen won in Austria before showing podium-challenging pace in Britain.

He felt he missed out on fighting for pole at because of a mid-pedal lag issue he estimated cost 0.15-0.2s, which is investigating fully this week and expects to have a countermeasure for by the next race in .

It appears that there is a small calibration issue that means Verstappen’s request via the throttle is not being met perfectly with what the engine produces.

team boss believes it is a result of the improvements on the chassis side, as Verstappen is now applying the throttle in a different way to how “the car would allow” previously.

“I think it was just the speed at which Max is applying the throttle,” said Horner. “It is something that hasn’t been seen before. So it is type of thing that can be tidied up on the dyno.

“I believe it is a thing, but they seem to be quite confident about it.”

introduced an upgraded engine three races ago in France, but Verstappen said during the British GP weekend that ‘turbo lag’ is a small issue that has occurred quite frequently.

It can usually be solved immediately by tweaking engine settings via the steering wheel.

“We had a discussion with Max [about the specifics of the issue], which RPM, where in the throttle, how did he apply it and when did he feel lag,” Tanabe said. “Then we looked at the exact place.”

The problem does not imply a fundamental issue for to have to overcome, in the same way a reliability problem does.

However, Tanabe said considers it a “big issue” for the company, the driver and the team “technically, in terms of performance and on the engineering side”.

“It’s not an issue that makes a failure,” he said. “It’s a different type of issue. Our understanding is it’s a big issue. You can die, or you don’t die. And you don’t die [with this issue].”