jakobloewe91

Seat Alhambra engine issues

I am writing to describe an issue I am currently experiencing with my Seat Alhambra. The vehicle is a 2022 model with a gasoline engine and has approximately 176577 km on the odometer. I have observed a number of concerning symptoms recently, including poor vehicle starting, noticeably higher fuel consumption than usual, and a reduction in overall engine power. Furthermore, the engine exhibits uneven idling, and on several occasions, it has stalled completely while idling. Based on my research, a likely cause could be a defective injection nozzle, perhaps due to accumulated dirt or deposits affecting its performance. I welcome any insights or suggestions from the community regarding potential diagnostic steps or troubleshooting measures I might undertake before seeking professional assistance. My primary concern is to address these issues promptly to avoid further complications or potential damage to the engine.

4 comment(s)

I am sorry to hear you are experiencing these issues with your Alhambra. I also own an Alhambra, though I cannot say I have the identical engine variant. Your symptoms, however, sound eerily similar to a problem I encountered some time ago. The reduced engine performance, combined with the uneven idling, particularly points towards fuel delivery issues. Have you considered the possibility of a misfire? That could also explain the poor starting and the increased fuel consumption. It is worth checking the spark plugs and ignition coils, although with your engine type, the injection system is a more probable culprit.

Thank you for your response. Your experience is helpful. Regarding the fuel delivery issues you mentioned, did you experience any specific diagnostic codes or other indicators that directly pointed to the injection system? I am trying to ascertain the most efficient way to guide the workshop's diagnostic process.

Indeed, the diagnostic codes were instrumental in pinpointing the issue. The error codes indicated a misfire and pointed to irregularities in the fuel mixture, specifically an imbalance across different cylinders. While it is possible that the spark plugs or ignition coils may contribute to misfires, the recurring and persistent nature of the error codes, combined with the specific symptoms you described, strongly suggested an issue with the fuel injection system itself. Given the potential complexity of the injection system and the need for specialized tools for proper diagnosis and repair, I would strongly recommend consulting with a qualified workshop. They will be able to perform a comprehensive assessment and determine the precise cause of the problem. In my case, it turned out to be a faulty injector which required replacement.

Thank you for your insights. It appears you were spot on. I took the vehicle to a trusted workshop, and after diagnostics, they confirmed a defective injection nozzle. The repair, including parts and labor, came to approximately 515€. The vehicle is now running smoothly again, with the engine performing as expected.

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