Rubens Barrichello has revealed that it was an engine problem that put paid to his attempts at achieving a solid grid slot in Abu Dhabi.
With a brand new Cosworth engine fitted to his FW32 on Saturday morning ahead of FP3, Barrichello was soon back in the garage after just two laps with an oil leak.
The team tried to fix the problem, however, were not able to do so ahead of qualifying meaning the Brazilian was not able to put in a single lap.
As a result, Barrichello will start Sunday's 55-lap Abu Dhabi 23rd on the grid, only avoiding the very last slot because his Williams team-mate Pastor Maldonado has a ten-grid slot penalty for using his ninth engine of the campaign.
"This morning we fitted a brand new engine and it was looking great because I had saved one for the end of the season," Barrichello told the BBC.
"We went out and I had a bit of difficulty with it after two laps and we came back, we tried to review all the situation just before qualifying they told me there was no way so it's even more frustrating.
"You are so eager to go and you have the mentality to put a very nice lap together and the engine wasn't working.
"It's been a hard weekend in a way because I can't remember myself doing so few laps. I've done P2 and that was it.
"So I hope that the set-up is okay and I hope that I enjoy myself. I try to enjoy myself as much as I can but today is a disappointing day."