What should the DPF differential pressure be?
It should be around 12.6 volts. Consult the manufacturer’s service manual to identify the signal, ground, and 5-volt reference and back-probe the wires.
What does a DPF differential pressure sensor do?
A differential pressure sensor is an electronic sensor that measures back pressure before and after the DPF and determines the level of soot contained within the DPF.
Can a blocked DPF cause back pressure?
So, what happens to the turbo when a DPF is blocked? A blocked DPF prevents exhaust gas passing through the exhaust system at the required rate. As a result, back pressure and exhaust gas temperatures increase within the turbine housing.
How to clean DPF filter on high revs?
Follow the simple instructions to apply the DFP cleaner. Once you’re done move on to the second step below. After using your DPF treatment head to the motorway and drive your vehicle at extremely high revs for at least 30 minutes. By high revs I mean at least 5,000 RPM.
Is it illegal to drive with a faulty DPF filter?
Order Forte Diesel DPF Cleaner. Depending on your car type, driving with a faulty DPF filter can be illegal. Motorists tend to avoid repair due to the expense of cleaning, remapping or replacing the filter, particularly if the car still runs pretty well but there is an engine warning or glow plug light flashing.
Why does my DPF filter keep clogging up?
It’s mostly a cost saving exercise as filters easily become clogged up, especially with city driving where vehicles are driven at slow speeds in residential areas. A lack of motorway driving is one cause of clogged filters that can only lead to mechanical problems and/or engine warning lights flashing continuously.
Why do you need to clean the diesel particulate filter?
Motorists tend to avoid repair due to the expense of cleaning, remapping or replacing the filter, particularly if the car still runs pretty well but there is an engine warning or glow plug light flashing. Diesel particulate filters (DPF) are placed on the exhausts of diesel vehicles to prevent toxic emissions from flowing into the environment.