Peugeot 206 engine jerking rough running

Sounds rough! I had similar issues with my 206 a while back. Rough running, check engine light flashing, terrible throttle response... turned out to be a dodgy fuel injector. Have you checked your spark plugs or ignition coil recently? Could be a misfire.

Fuel injector, eh? How did you figure that out? Did you have the exact same symptoms, or were there other things going on too? I don't really know much about car engines...

Yeah, pretty much the same symptoms. Reduced engine power, jerking, the whole shebang. I tried new spark plugs first, but no luck. Eventually, I had a diagnostics test run and it pointed to a faulty injector. Honestly, unless you're comfortable working on engines, I'd suggest taking it to a workshop. They'll be able to pinpoint the problem for sure.

Thanks for the advice! I took it to a mechanic, and you were spot on - defective injector. Cost me 515€ to fix. Runs like new now!