MarSau

Stepwgn hybrid engine power loss

Hi, I have a 2023 Honda Stepwgn hybrid. Recently, I've noticed a drop in engine power and the check engine light is on. It runs rough, burns more fuel than usual, and jerks when accelerating. It now has 111173 km on it. Could it be a defective injection valve?

A 2023 Honda Stepwgn hybrid experienced a drop in engine power, rough running, increased fuel consumption, and jerking during acceleration, accompanied by a check engine light. The issue was suspected to be related to a defective injection valve. After consulting with another owner who had similar symptoms, it was suggested to check the fuel injectors and spark plugs. The problem was confirmed to be the fuel injectors, which were causing the engine to run too rich, and the issue was resolved at a workshop.

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4 comment(s)

Hey, I had a similar issue with my Stepwgn. Have you checked the fuel injectors and spark plugs? A bad air-fuel ratio can also cause these symptoms. What about the catalytic converter or intake manifold?

Thanks for the reply. No, I haven't checked the fuel injectors and spark plugs yet. How did you figure out what was wrong with yours? What exactly was the issue?

I went through almost the same symptoms. It turned out to be the fuel injectors causing the engine to run too rich. I'd suggest getting it checked at a workshop to be sure, as it can damage the engine in the long run.

Thanks a lot! I took it to the workshop, and you were right, it was the fuel injectors. Repair cost was 515€. Appreciate the help!

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HONDA

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STEPWGN