jannikhofmann55
Ccrosser boost pressure sensor issue
Summary of the thread
A 2010 Citroen Ccrosser diesel exhibited issues such as a check engine light, jerking acceleration, a whistling/hissing noise, and occasional stalling. Diagnostics pointed to a bad boost pressure sensor. After checking the intake manifold, air intake, and turbo system, a defective cable or plug was suspected. The problem was resolved by addressing a faulty connection to the boost pressure sensor, restoring the vehicle's performance.
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4 comment(s)
jannikhofmann55 (community.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 (community.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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CITROEN
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CCROSSER
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.