Etios uneven running issue

Hey, I've got a 2019 Toyota Etios with a gasoline engine that's developed a nasty uneven running issue. Got 192950 km on the clock. The check engine light's on, and it's throwing an error code. When I accelerate, it feels like it's jerking. Anyone else experienced this? I was thinking maybe a crankshaft sensor, fuel pump or fuel injectors?

4 comment(s)

I had a similar problem with my Etios. Does it feel like a persistent engine misfire, almost like a rough idle even when you're moving? Did you check the error code? What exactly does it say?

Yeah, the engine misfire analogy is pretty accurate. It's particularly noticeable under load. I haven't checked the code myself, but I can. Do you remember what your error code said?

The code pointed to an exhaust leak. It was causing the engine to run lean. The computer tries to compensate, but it can only do so much. With those kilometers on the clock, it's worth having the exhaust system checked out. Best to take it to a workshop.

Thanks for the tip! I took it to the shop, and you were spot on. Turns out there was a leak in the exhaust system. Repair cost me 265€. Runs like new now!

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