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Petrol Particulates Filter |
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routemaster1
 
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   Member No: #574
Joined: Jul 08 2007Location: Dorset |
This is a subject that hasn't appeared on this site, and I've just come across it by chance. It would appear that PSA have been fitting Petrol Particulates Filters to 1.2 petrol engined cars since 2017-2018. This may or may not be limited to turbo-fitted cars so possibly 110bhp and up. This, of course, will mean that the very few petrol engined C4 Picassos sold recently will have one. It is difficult to find out much about them. It seems that they differ from diesel filters as they don't need an additive like EOLYS to regenerate but rely simply on the filter getting hot enough to burn off the particles. So it would appear that you will need a low SAPS oil for these as well. One article I scanned indicated that many cars fitted with these filters don't get hot enough to burn the filter clean. So now, if you tend to do short in-town hops, neither petrol or diesel would be a good choice. This also explains why, when I start our car there is a warning light visible for a blocked filter, which I thought was just a carry-over from a diesel due to shared components. |
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vexorg
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 Member No: #48843
Joined: Jul 06 2017Location: Scotland |
Do these petrol engines need a regen? | ||||
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gittos
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 Member No: #30055
Joined: Apr 02 2013Location: Bolton |
I posted about this in 2018, there’s an article in the post, hope it’s still relevant. - Click Here - |
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gittos
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Member No: #30055
Joined: Apr 02 2013Location: Bolton |
Also hear if you want technical stuff.... - Click Here - I’ve been on a Peugeot forum and not found mention of problems with them. |
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gittos
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Member No: #30055
Joined: Apr 02 2013Location: Bolton |
Apparently Gasoline Particulate Filters (GPF) regen at a lower temp than DPF but I don’t know how often. | ||||
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routemaster1
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Member No: #574
Joined: Jul 08 2007Location: Dorset |
Thanks for that. At the time you posted in 2018 I didn't foresee me needing to buy a new car, so I didn't take it in. Having bought our C3 i did think the area in front of the engine to have more in it than I expected. As everything is shrouded the parts aren't visible. But based on what I've learnt I have had another look and it is obvious that there is a turbo and another large canister which must be the filter. It must be strange to look at a lower powered version presumably with a very open space down the front of the engine. Glad to hear that there are no reported issues. I can't remember which of the Citroen forums I saw this on, but of course it will be applicable to C3 and C5 Aircross, and Cuctuses (or is that Cacti) as well as C3s. I don't remember seeing any issues reported on those forums. |
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bluehdi
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 Member No: #2617
Joined: Mar 02 2008Location: Essex |
My current car is a petrol (albeit a new Range Rover Evoque P250). I chose it because of the lack of issues with complexities with DPF and DPF regens, plus due to driving lower mileages than necessary for a diesel. The section on exhaust filter for diesel and petrol is very interesting in my handbook, as it describes how the regen works for petrol engines (see below). Its also obviously much easier and simple to meet this criteria with the petrol versus the diesel, as you just need to drive at 30mph for 15 minutes. The diesel section has a lot more complexity and criteria - 'driving steadily at between 30-70mph for at least 20 minutes'. From the handbook: EXHAUST FILTER Exhaust filters are also known as particulate filters. Vehicles fitted with these filters have more efficient emissions control. The particles in the exhaust gases are collected in the exhaust filter during normal driving. Cleaning of the exhaust filter is also known as regeneration. Regeneration occurs automatically depending on driving conditions. Self-cleaning only occurs when the engine has reached its normal operating temperature. Self-cleaning takes place while driving, although the characteristics are different for diesel and petrol engine vehicles. PETROL EXHAUST FILTER SELF-CLEANING: Self-cleaning takes place when the engine is at its normal operating temperature and sufficient oxygen is present in the exhaust stream. In most situations, the exhaust filter automatically self-cleans without any driver intervention necessary. Some driving conditions, e.g., repetitive cold starts or continuous full-load driving, may not provide sufficient opportunity to begin the exhaust filter self-cleaning automatically. When this occurs, the instrument panel displays the following warning lamps: Amber: Exhaust filter self-cleaning is required. Driving steadily below 80 km/h (50 mph) for up to 15 minutes should clean the filter. NOTES Failure to follow the above driving approach, to enable filter self-cleaning, may result in reduced vehicle performance. The amber exhaust filter lamp is eventually replaced by a red exhaust filter lamp. The filter may need to be replaced. NOTES An increase in the idle speed may be noticed temporarily during exhaust filter self-cleaning. |
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gittos
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Member No: #30055
Joined: Apr 02 2013Location: Bolton |
I have a 1.2 petrol Peugeot 3008 and have checked the handbook and there is only instructions for DPF, no mention of GPF?? | ||||
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routemaster1
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Member No: #574
Joined: Jul 08 2007Location: Dorset |
gittos wrote ... I have a 1.2 petrol Peugeot 3008 and have checked the handbook and there is only instructions for DPF, no mention of GPF?? I assume as a 3008 it will be turbo fitted? I don't recall seeing anything in my handbook about GPF. I'll have to dig it out tomorrow and have a look. |
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gittos
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Member No: #30055
Joined: Apr 02 2013Location: Bolton |
I assume as a 3008 it will be turbo fitted? [/quote1611262048] Correct. There was no mention in the handbook for the 2018 C4 Pic 1.2 petrol that I had. |
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vexorg
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Member No: #48843
Joined: Jul 06 2017Location: Scotland |
I think it really needs name Petrol particle filter, none of the gasoline nonsense. What paticulates come out of a petrol engine? |
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routemaster1
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Member No: #574
Joined: Jul 08 2007Location: Dorset |
vexorg wrote ... I think it really needs name Petrol particle filter, none of the gasoline nonsense. What paticulates come out of a petrol engine? The same soot particles that come out of a diesel, just a lot less of them. These are the particles that will burn off. There are also ash particles from burning oil. These are due to the sulphur (none of this sulfur nonsense) and phosphorus present in oils, which is why low SAPS oil is required. These do not burn off so may eventually clog a filter. |
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