karlroth93

V90 Low DPF Exhaust Pressure

I've got a warning light on my 2019 Volvo V90 diesel, with 157241 km. Engine power is down, there's smoke on acceleration, and a strong smell from the exhaust. Diagnostics suggest low DPF exhaust pressure. Anyone seen this before?

A 2019 Volvo V90 diesel exhibited a warning light, reduced engine power, smoke during acceleration, and a strong exhaust smell. Diagnostics indicated low DPF exhaust pressure. The issue was identified as a defective exhaust back pressure sensor, which was confirmed and resolved by replacing the sensor.

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4 comment(s)

Sounds like what happened with my V90, though I didn't notice the smell so much. Low DPF exhaust pressure is common. Have you checked the exhaust back pressure sensor?

The sensor was my suspicion. Were your symptoms exactly the same? Did replacing the exhaust back pressure sensor fix it?

My symptoms were pretty much the same. I'd bet it's the pressure sensor. Take it to a workshop to check; it'll save you a headache.

Dealership confirmed it: defective exhaust back pressure sensor. Repair was 245€. Thanks for the help; your experience was invaluable.

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VOLVO

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V90