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McLaren racing director Eric Boullier has admitted the F1 team's relationship with Honda is experiencing 'maximumꦰ' strain amidst ongoing technical issues with 💎the MCL32.

A collaboration dogged with reliability issues since Honda returned to the sport in 2015 to supply engines to McLaren, the team's preparation for the 2017 F1 season received another setback as electrical problems halted it at the beginnꦿing of the second pre-season test

With Honda forced to change its power unit again, pressure is once more mounting on the Japanese firm to get on top of the problems that have prevented Mc𝓡Laren from making significant strides with its otherwise well-received package.

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Indeed, though Boullier has always maintained McLaren and Honda are working closely together, he says the respon♛sibility remains with its partner and that the issues are taking a toll on the relationship.

"Maximum," Boullier responded when asked whether there was strain on the relationship. "But o🃏bviously we are in Formula 1, we are racing and we have to perform, so the pressure is obviously huge.

"We put the maximum pressure on all of our relationship with Honda and the same from them. We can't put a꧃ foot wrong, we need to be able to deliver the b𝐆est car as well, so this is both sides."

"For the race obviously a lot of it is in the hands of Honda to make sure they investigate properly, they address it properly and we have to rely on our partners that they will do 𝔉it and we believe they will do it.

"Well it's always [the problems] been in their court because we are partner🔜s but they are responsible for the engine part a♒nd we are for the chassis part.

"We have a special relationship obviously, it's like a work's team so we are very much involved in both organizations and any support we can bring we will. So if we can do more, we will do more. But I don't want any distractions from the ch🔴assis program as well."

Despite th🐎is, Boullier reiterated there is no suggestion McLaren will consider exiting its long-term with Honda.

"We have a contract in place and actually normally it's seven years in every marriage or relationship, not three! No, we don't even think about it. There is a solid contract between us, a long-term contra✨ct and obviously we want to build 🍎on it even if it's not the ideal times yet."

Stoffel Vandoorne completed 34 lap🌺s before he 📖was halted by an electrical problem that necessitated a power unit change.

Though Honda denied reports it has already made six changes of engine s🅷ince F1 testing began, it would not ♔reveal the exact number.

Fernando Alonso resumes testing for t🐬he team ꧒on Tuesday.

TAP HERE for LIVE text commentary of the fi♉rst pre-season F1 test of 2017