Check injection system fault

About a week ago, I bought a 2015 RS Clio 200 Cup. On the first day, after driving the car for hours without any issues, I experienced a problem on the way home. The car was skipping from 1st gear to 3rd, and then directly to 5th. A message saying “Check automatic gearbox” appeared. After turning the engine off for about 5 minutes, the problem went away and hasn’t happened again since.

I took the car back to the dealership and drove a courtesy car for a few days, but I got my car back 3 days ago as it was scheduled to go to a Renault mechanic on the 20th. Until today, I had no issues while driving. I’ve been using the car for commuting without any problems. However, while heading out for dinner, the car suddenly jolted and made a sound almost like a bang. It was in 4th gear at the time and I was trying to accelerate to overtake someone.

A “Check injection system” warning light came on, and now the car doesn’t accelerate well at all. I left the car for about 2 hours while I was at dinner, feeling very disappointed, and the light and issue were still there on the way home.

At this point, I’m extremely frustrated and incredibly upset because I really love this car. I’d really appreciate it if someone could give me some insight into what might be causing this!

Let me know if you’d like a shorter version or help posting this to a forum.

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RenaultClioFuel System Faults
               
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Admin — Editor & Content Coordinator

Content on Aracustasi.com is prepared based on real-world automotive service experience and is reviewed through a technical verification process before publication. The Admin serves as the platform’s editor and publication coordinator, responsible for content planning, technical review workflow, and quality standards.

The platform covers multiple vehicle brands including Opel, Volkswagen, Ford, Renault, Fiat, and Hyundai, with content focused on
engine issues, transmission faults, electrical and electronic systems, sensor failures, dashboard warning lights, and periodic maintenance procedures.

Editorial process: Articles are prepared by an automotive technical writer, reviewed by experienced auto technicians, and then published after verification.

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Last updated: February 9, 2026

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