The Frenchman made it through to Q2 on Saturday, only to crash out while on his final lap, finishing 15th overall.
“I don’t know what’s going on,” Grosjean told NBCSN after the session.
“Yesterday we had issues. Spun yesterday and crashed, and again just now. There’s something weird in the car.
“Only so much you can do when you’re at 60 per cent of the car. Weird all weekend long.”
Grosjean will start behind Haas teammate Esteban Gutierrez, the Mexican qualifying 14th on Saturday. However, he felt that a top-10 berth was within reach had his final run not been scratched due to yellow flags for Grosjean’s crash.
“Qualifying was very frustrating. It was a missed opportunity,” Gutierrez said.
“I was preparing myself for that lap and I believe I would’ve had the opportunity to fight for Q3 if I could’ve completed it.
“We were really unlucky today. However, I’ll take the feeling I experienced during the first part of the lap into tomorrow for the race.”
The Singapore Grand Prix is live on NBCSN and the NBC Sports app from 7am ET on Sunday.
“I’m so excited to join Andretti United Extreme E,” Munnings said in a release. ““I was really intrigued when I first heard about Extreme E, I just knew I had to be involved. The male / female racing partnership is a fantastic and exciting new concept. The season has incredible locations and the racing will be very exciting. It will be a new challenge for the teams and drivers, and I’m so thrilled to be working with such a strong team.
“The championship is a really innovative concept, it’s combining motorsport and science and will produce an important legacy in each race location. Bringing the platform that motorsport has in line with the awareness that the planet needs right now is awesome and a really important message.”
Said Hansen: “Going into the Extreme E will be a new chapter in my career, one that I am extremely excited about. It is something brand new, not only for me, but the whole of motorsport. The format is something
we’ve never seen before. I’m also delighted to be able to carry the message of something bigger – talking about the environment and doing something good for the world – that’s something that really drives me. It’s going to be a big adventure in life to see these locations and I’m going to do my best in carrying this responsibility and hopefully making people aware of the challenges we have in the world, together with our passion for racing.”