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MollerTimo

Ford Transit DPF Issue

My 2010 Ford Transit, diesel engine, is showing concerning symptoms at 168449 km. I've noticed reduced engine power, especially uphill, and more smoke when accelerating. I suspect the diesel particulate filter (DPF). Has anyone experienced similar issues? I've run a basic OBD scan, but no specific DPF error codes are showing, just a general 'emissions system' warning. I'm thinking it could be a blocked filter or a sensor fault messing with regeneration.

Summary of the thread

A 2010 Ford Transit with a diesel engine is experiencing reduced power and increased smoke, potentially due to a diesel particulate filter (DPF) issue. Despite a basic OBD scan showing only a general 'emissions system' warning, the problem might be a blocked DPF or a sensor fault affecting regeneration. Possible causes include a faulty differential pressure sensor or exhaust gas temperature sensor, which could prevent the regeneration process. A professional diagnosis is recommended to accurately assess the DPF's condition and consider solutions like forced regeneration or replacement.

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4 comment(s)

elizabeth_himmel10

The symptoms you describe certainly point towards a DPF issue, especially with a diesel engine of that vintage and mileage. Have you noticed any changes in your fuel efficiency recently? A failing DPF can often lead to increased fuel consumption. Also, are you doing predominantly short journeys? As these don't allow the DPF to heat up sufficiently for effective regeneration.

MollerTimo (community.author)

Fuel efficiency does seem to have dropped a bit. As for journeys, it's a mix, perhaps more short ones lately. What kind of sensor fault could cause this, if it's not just a blocked DPF? Would a faulty sensor stop the regeneration process from even starting?

elizabeth_himmel10

A faulty differential pressure sensor is a common cause; this monitors the pressure difference across the DPF to determine soot load. If it's providing incorrect readings, the ECU might not initiate regeneration. Likewise, an exhaust gas temperature sensor fault could also prevent regeneration. Given the symptoms and your efforts, a professional diagnosis is advisable. A workshop can perform a forced regeneration or assess the DPF's condition more accurately. Replacement DPF could be quite expensive. Keep in mind that exhaust systems have become more and more sophisticated.

MollerTimo (community.author)

Understood, thank you for the detailed explanation. I appreciate the advice regarding the sensors; it gives me a better understanding of the potential causes. I'll book it in at a workshop for a proper diagnostic check. It ended up costing me 1550€ for a new DPF. Cheers.

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FORD

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TRANSIT