A clogged diesel particulate filter can impact your vehicle's performance lifespan and lead to costly repairs if not addressed at the right time.

Here are seven of the big warning signs that you should not ignore and seven of the warning signs that your DPF is not a happy kitten anymore.

We start with frequent regeneration attempts.

These can be identified by higher idle revs by a loud sound of the exhaust or even by the engine fan staying on after you have parked once or twice per fuel tank,it's normal but if they're happening more and more often this is some important alarm bells that you shouldn't ignore.

We move on to one of the consequences of the DPF regenerations the increase of engine oil levels.

Although it's like a mysterious thing because where is the oil coming from this is a known issue it's called oil dilution.

It has to do with the fact that at each and every DPF regeneration attempt,your ECU is injecting fuel on the exhaust stroke with the aim of getting that fuel to the DPF to increases temperature and burn out all of that suit.

But not all of the fuel wants to collaborate and part of it leaks past the piston rings and ends up in your oil,the phenomena is called oil dilution.

If you ever noticed the burning smell or diesel odor things are a bit becoming more complicated,because the DPF is trying to burn the suot in extreme situations unburned fuel is collected in your exhaust systems and that gives all sorts of strange symptoms at this point in your story.

If you're still not taking action,your mechanic will for sure love you loss of engine power.

This symptom is a devious symptom,I say this because it creeps up on you and you do not notice.

It loss of engine power will translate to a sluggish acceleration and if the DPF is really really really bad maybe you will notice it,but usually because it happens slowly in time many people don't increased residue or exhaust smoke.

This usually translates to heavy suit buildup on the tail pipes oil fuel residue or visible black smoke behind your car many times that will be unburned fuel escaping and it's a sign that your DPF is going to the stage of permanently.

Being compromised poor fuel economy although not the major Red Flag by itself on vehicles that are experiencing the DPF problems fuel econom will also have to suffer regeneration Cycles burn extra fuel on a healthy vehicle.

This accounts to three or 10% of the fuel usage but on a problematic car things can get out of control really really fast so make sure to investigate this and consider it the final nail in the coffin will be difficulty starting the engine or the engine not being able to rev freely.

This is due to the DPF being severely blocked and excessive back pressure influencing how the engine operates making it difficult for it to to maintain stable operation.

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