Gerdafish

Seat Ibiza Diesel Engine Trouble

I'm getting really frustrated. My 2002 Seat Ibiza with a diesel engine is giving me fits. The check engine light is on, and it's jerking like crazy when I accelerate. Plus, there's this weird whistling noise, almost like a loud hissing, when I accelerate. Sometimes it even stalls at idle! Fuel consumption is up, and the power is way down. The car has 188552 km on it. Could this be the turbo boost sensor?

A 2002 Seat Ibiza with a diesel engine was experiencing issues such as the check engine light being on, jerking during acceleration, a whistling noise, stalling at idle, increased fuel consumption, and reduced power. These symptoms suggested a potential problem with the turbo system, possibly a boost leak or a faulty boost pressure sensor. After investigation, it was confirmed that the issue was due to a defective cable and plug connection related to the boost pressure sensor, which was repaired, resolving the car's problems.

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4 comment(s)

Sounds like a potential boost leak in your turbo system. I had a similar issue with my Seat Leon. Check the vacuum lines and the intercooler hoses for any cracks or loose connections. Also, the boost pressure sensor itself could be faulty. A faulty sensor can cause the engine to misread the boost pressure, leading to the symptoms you're describing. Has the engine light been checked for error codes?

Boost leak, huh? What exactly is a boost leak, and how would that cause all these problems? And where exactly is the boost pressure sensor located? I'm not very familiar with the turbo system.

A boost leak is when pressurized air escapes from the turbo system before it reaches the engine. This loss of pressure results in reduced power, poor fuel economy, and can cause the engine to run erratically. The whistling and hissing sounds are telltale signs. The boost pressure sensor is usually located on or near the intake manifold. Given the symptoms and your mileage, I'd strongly recommend taking it to a workshop to get it properly diagnosed. They can check the sensor and the entire turbo system for leaks.

Just confirming it was the boost pressure sensor. The mechanic found a defective cable and plug connection. They fixed it for 95€ and the car is running smoothly again. Thanks for your help!

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SEAT

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IBIZA