Renault Avantime engine stalling and fuel composition error

I'm experiencing a problem with my 2003 Renault Avantime diesel. The check engine light is on, and the engine has stalled a few times while idling. The vehicle has 119202 km. An error related to incorrect fuel composition is stored. Could this be fuel contamination?

4 comment(s)

Incorrect fuel composition can trigger those symptoms. Several factors could be at play. When was the fuel filter last changed? Also, have you noticed any changes in fuel economy or any unusual engine knock?

The fuel filter was changed approximately 10000 km ago. I haven't observed a noticeable change in fuel economy, but I'm not entirely sure about engine knock. Could a defective plug connection cause such an issue?

A defective cable or plug connection to a component is a plausible cause for the stored error, and may cause the described symptoms. It could affect the combustion chamber and fuel mixture. While further diagnostics are necessary, I suggest having a workshop check the relevant connections.

Thanks for the information. I took the Avantime to a workshop, and it turned out to be a defective plug connection, as you suggested. The repair cost was 95€. The issue is now resolved.

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