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Old 05-02-2024, 11:27 PM   #34
msford
Regular Member
 
Join Date: Jan 2011
Posts: 86
Default Re: P2002 particulate filter efficiency below threshold

Quote:
Originally Posted by AlanM View Post
I'd strongly recommend getting an OBDex adapter and downloading Forscan (it's free just now).

As mentioned before, you can observe the DPF pressures real-time while running the engine. You'll soon know if it's really a blocked DPF or faulty sensors.
Assuming this isn't a dumb question, but surely the Ford dealer (and the independent mechanic I have used) have this adapter and would have been able to ascertain this? Especially the Ford dealer that was told me it was the sensor and I needed to change it only to not solve the problem at all.

Cheers
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