Caterham driver says he is aiming for the strongest race of his nascent Formula 1 career after qualifying in 21st place for the Bahrain Grand Prix.
Ericsson was eight-tenths of a second slower than team-mate Kamui Kobayashi in Q1 but believes he can put in a composed performance after a weekend of improved reliability.
"We definitely made some improvements overnight and I want to thank everyone in the team for the efforts they put in to move on from what had been a bit of a difficult Friday," he said.
"My final run on the options was the best of the weekend so far – we’d improved the braking and the overall balance so I went into qualifying feeling pretty positive about being able to fight with our nearest rivals.
"We started Q1 on a set of new options but I had a bit of a lock-up that cost me quite a bit of time on the first run. I wasn’t going to get any more out of that set of tyres so we boxed and then went for another final run towards the end of the session.
"My final lap was definitely my best of the weekend but I didn’t have a great out lap so I know I could have found more, but overall I’m reasonably pleased with how Saturday has gone.
"It’s been a much better weekend so far with reliability and with the improvements we made today I’m now focused on having another solid race tomorrow. I’m learning all the time, and with the mileage we’ve now done here in Bahrain I want to make tomorrow’s race my strongest yet – do that and this will have been a good weekend."