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jannikhofmann55

Ccrosser boost pressure sensor issue

My 2010 Citroen Ccrosser diesel has a check engine light, jerking acceleration, whistling/hissing noise, and sometimes stalls. Diagnostics say bad boost pressure sensor. I checked the intake manifold, air intake, and turbo system. Suspect a defective cable or plug. Mileage is 61799 km. Anyone seen this?

4 comment(s)

leoncrystal81

I had similar issues with my Ccrosser: engine light, jerking, and a weird noise. Have you checked the sensor itself? Sometimes they just fail.

jannikhofmann55 (Author)

Yeah, I checked the sensor, but it looks alright. I'm leaning towards a wiring issue. Was your problem definitely the sensor, or something else connected to it, like the plug maybe?

leoncrystal81

It was the sensor giving faulty data to the ECU. The workshop found the issue very quickly and replaced the sensor. I'd recommend getting it properly diagnosed, since you have the same symptoms.

jannikhofmann55 (Author)

Cheers. Dropped it into the local garage as you suggested. Turns out the boost pressure sensor connection was indeed faulty. 95€ later and it's running like new again. Appreciate the insight!

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