matteosky1
Skoda Superb diesel engine power loss
Summary of the thread
The Skoda Superb diesel engine experienced a significant power loss, rough running, jerking during acceleration, and a loud hissing sound, along with increased fuel consumption. These symptoms, combined with the error code P2015, pointed to a problem with the intake manifold flap position sensor, likely due to a defective switch intake manifold control. The suggested solution was to have the intake manifold flap actuator or the manifold itself checked and potentially replaced by a professional workshop. After following this advice, the issue was resolved, and the vehicle returned to normal operation.
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4 comment(s)
matteosky1 (community.author)
Thanks for the quick reply! Yes, the engine management light is on. I used an OBD2 scanner and got the error code P2015, which seems to indicate a problem with the intake manifold flap position sensor. Could this be related to the intake manifold flap control issue, or is it pointing towards something else entirely? Is there anything I can check myself before I consider taking it to a mechanic?
emilyberger1
P2015 pretty much confirms the intake manifold flap issue. That code is almost always related to the position sensor giving incorrect readings because the flap itself isn't moving correctly or is sticking. While technically you could try cleaning the intake manifold and checking the linkage, given the mileage and the specific code, it's highly likely the intake manifold flap actuator or the manifold itself is faulty. For a model from 2020, it's a bit premature for such a failure, but it happens. Honestly, with that code and those symptoms, I'd advise getting it checked by a reputable workshop. They can properly diagnose the extent of the damage and replace the necessary components.
matteosky1 (community.author)
Thank you for confirming my suspicions. I visited my local workshop, and they were able to diagnose and fix the intake manifold flap control issue. It indeed turned out to be a defective switch, and the final repair cost was 465€. My Skoda Superb is now running smoothly again. I appreciate your help!
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SUPERB
emilyberger1
Reduced engine power and rough running on a diesel, especially with jerking and hissing, does sound like an airflow control problem. The intake manifold is a prime suspect. Has the engine management light come on? Have you checked for any error codes using an OBD2 scanner? That could pinpoint the issue further. The manifold flap is there to regulate airflow and improve engine performance, so if it's stuck or not responding correctly, it would cause the issues you are describing. I'd be curious to see what codes are being thrown, if any.