Intermittant power loss, no fault codes
Struggled with intermittant power loss and lack of acceleration in my V50 2005 diesel Volvo for more than a year. It had been regularly serviced and looked after.
Changed the EGR valve last year. Acceleration of car seemed better, but did not cure the problem.
Luckily the intermittant fault developed again while the car was being serviced. They managed to connect the diagnostic tester while it was running, and discovered that the Exchange DPF filter was clogged up and needed replacing.
We hope that this will have been the cause, and the problem is fixed.
Probably not many people are still driving an 11 year old car!
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