Seat Cordoba Diesel engine issue

My 2000 Seat Cordoba diesel is throwing a check engine light and jerks when accelerating. I'm also hearing a loud hissing or whistling when I accelerate. Sometimes it even stalls. Fuel consumption is up and power is down. I suspect a faulty boost pressure sensor and the cable or plug connection could be the issue. Has anyone seen this before?

4 comment(s)

Sounds familiar. I had a similar problem with my Cordoba. Check for leaks in the air intake and around the intake manifold first. Is the whistling noise constant or only under load?

Where exactly should I be looking for these leaks? Is there a specific area of the turbo system I should focus on?

Definitely sounds like the boost pressure sensor. The cable issue is quite common. I suggest taking it to a workshop for a proper check. They'll pinpoint it. Good luck.

Confirmed. The boost pressure sensor cable was indeed defective. Replaced for 95€. Runs like new. Thanks for the input.

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