The particle filter is a pretty new invention that aims to take out harmful particles from the exhaust gases of latest diesels. It has long been seen as the miracle solution to these pollution problems. However, it doesn’t work as well as expected and triggers more problems than it resolves, which is why we will see in this article when changing the particulate filter of a Infiniti QX70? . To do this, to begin with, we will find out what the particle filter on your car is intended for, and then when to replace the particle filter on your Infiniti QX70.

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What’s the purpose of a Infiniti QX70’s particulate filter?

So we begin our guideline with the explanation for this component not too long ago included into diesel vehicles. As we mentioned quickly in the introduction, the purpose of this filter was to fix the problems of pollution and harmfulness of exhaust fumes from Infiniti QX70 vehicles. Its working concept is to store exhaust fumes that are unburned or that still contain harmful particles, and when it is at a sufficiently high temperature to bring about a second combustion that will finish burning and get rid of all these carcinogenic particles. Sadly, to reach this very high engine unit temperature, you have to be on the highway or have your Infiniti QX70 engine unit revving up. So we have discovered over time that vehicles that are mainly on short trips or in the city do not allow the particulate filter to burn these fumes and we will discover in the next part that these problems can force you to replace the particulate filter of your Infiniti QX70 .

When to replace the particulate filter of a Infiniti QX70?

In this section we will find out what you are clearly drawn to here, if it is required to replace the particulate filter of a Infiniti QX70 and if so, when?

Is it required to replace the particulate filter on Infiniti QX70?

There are 2 sort of particulate filter for vehicles, a particulate filter with additive, which does not matter the Infiniti QX70, but which needs to be recharged every 120, 000km with an additive that enables the regeneration of the particulate filter and consequently to burn all those harmful soot. The second one, the one we are enthusiastic about today, works with precious metals that will produce a chemical reaction at high temperature and bring about the regeneration of the filter and the evacuation of the carcinogenic materials. However, as explained above, it necessitates very high temperatures, if these are not reached the filter will clog. If the filter is not regenerated manually, drive at high speed for about 20 minutes to reach this temperature and thus regenerate your filter, you will clog it and risk damaging your turbo, your EGR valve or your engine unit. If you need to clean the EGR valve of your Infiniti QX70 due to your particulate filter, do not hesitate to look at our article on this subject to find out what the procedure is.

When to replace the particulate filter of a Infiniti QX70?

As we described before, a particulate filter is supposed to last the life of the car, nevertheless some of you may wonder when it is required to replace the particulate filter of its Infiniti QX70? Be aware that this part is extremely expensive, labor is not the main problem because it is easy to access. But the part itself will vary enormously in price based on your motorization, you can still count a range between 700 and 2000€. This replace should only be considered in the case of a completely clogged particle filter. If you don’t repeatedly take the motorway, we suggest you, every month to drive 10 minutes on the motorway at least 3000 rpm . In spite of everything, the current particulate filter have not been well designed and remain troublesome, it is considered that due to the lack of a sufficiently regular temperature rise and other design problems, you should start planning to replace your particulate filter from 200, 000km if you have a use of your XX that is more urban and a little more if it is mixed .

To get more tips on the Infiniti QX70, take a look at the Infiniti QX70 category.