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HansMue
Corsa diesel particulate filter pressure issue
4 comment(s)
HansMue (Author)
Thanks for the quick reply. You mentioned rodent damage. Was the Peugeot displaying the same 'exhaust pressure too low' error?
charlottebecker81
Yep, exact same error code. Turned out the damaged wiring was causing intermittent readings, throwing everything off. But honestly, if the wiring looks fine, it's probably the sensor itself. Best get it checked at a workshop; fiddling with emission control stuff can be a real headache.
HansMue (Author)
Understood. I appreciate the advice. The garage confirmed a defective exhaust back pressure sensor. Repair cost 245€. Problem solved.
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charlottebecker81
Sounds familiar! Had similar woes with my old Peugeot 308. Same symptoms – felt like I was driving through treacle, plus the stink was awful. Have you checked the sensor wiring? Mine was partially chewed through by a rodent. Worth a quick look before you dive into replacing parts.