vivienguenther6

Micra Mixture Prep Error

Hey, I've got a 2003 diesel Micra. Seems like a mixture prep error. Power's down, check engine light's on. Runs rough, jerks when I accelerate, and sometimes stalls when idling. Throttle body or spark plug maybe? Any ideas?

A 2003 diesel Micra is experiencing a mixture preparation error, leading to reduced power, a check engine light, rough running, jerking during acceleration, and occasional stalling when idling. Possible causes include issues with the throttle body, spark plugs, air-fuel ratio, mass airflow sensor, oxygen sensor, or injection valve. The solution involved checking the injection valves and injectors at a workshop, which resolved the problem.

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4 comment(s)

I had similar symptoms on my Micra. Did you check the air-fuel ratio or the mass airflow sensor? Could also be the oxygen sensor. Is it possibly the injection valve?

Thanks! You mentioned the injection valve. What symptoms made you think it was that?

Yeah, I had the same jerking and stalling. It's tough to say for sure without the right gear. I'd get the injection valves and injectors checked at a workshop. That's what I did.

Thanks for the advice. Took it to a workshop, and it was the injection valve/injector. Cost 515€ for parts and labor. Appreciate the help!

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NISSAN

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MICRA