When the DPF fails, exhaust gases can not be fully purged as backpressure pushes exhaust back into the combustion chamber causing DPM or soot to mix with the engine oil. Soot is abrasive and when mixed with oil, will cause premature wear to the engine bearings.
What will a clogged DPF do?
A blocked DPF prevents exhaust gas passing through the exhaust system at the required rate. Increased exhaust gas temperature and back pressure can affect the turbocharger in a number of ways, including problems with efficiencies, oil leaks, carbonisation of oil within the turbo and exhaust gas leaks from the turbo.
Which car has least DPF problems?
We seem to get fewest reported problems from Hyundai/KIA 1.6 CRDIs and Renault/Nissan/Mercedes 1.6 dCi 130s. Our Fuel Cost Calculator shows you which will be the best choice for you. Compare the running costs of petrol, diesel and electric cars to make the right choice for you.
Do all diesel cars have DPF problems?
Do all diesel cars have DPF filters? All new diesels have a DPF fitted. DPFs became mandatory in 2009, however, a handful of older diesels will have one fitted, too. Soot spewing out the back of your diesel is the telltale sign it doesn't have a DPF.
Do modern diesel have DPF problems?
All diesel cars since September 2009 have to be fitted with a DPF in the exhaust to stop this soot passing into the atmosphere. It's part of the Euro 5 standard for diesels but be aware that some cars built before this date also come with DPFs.
What vehicles have a DPF?
- BMW - E36, E46, 320D, E90 163BHP, Pre 2004 330D, 530D, 525D, X5.
- Mercedes All pre-2003 models don't have DPF fitted inside.
- VW All early 1.9L 69bhp, 90bhp, 110bhp, 130bhp, 105bhp and 150 bhp TDI, SDI and 140bhp PD TDI are DPF free engines.
Is a DPF filter covered under warranty?
A DPF is only covered under the warranty for structural failure. A blocked DPF is not covered by the warranty as the problem originates upstream of the DPF. If the correct setup process is not completed the regeneration process will not initiate and the DPF will become blocked. 3.
What is not covered under Nissan warranty?
Your Nissan New Vehicle Limited Warranty does not cover repairs for damage or conditions which are determined to be due to the installation or use of non-Genuine Nissan Accessories available at the time you order or purchase your new Nissan, as well as after purchase from our Nissan dealership.
Is DEF system covered under warranty?
The DEF system is only covered by the 24k mile federal warranty or the 3/36 Chrysler warranty, whichever is longer.