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Old 27-11-17, 07:45 PM   #1
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Default 207 gt 1.6 hdi 110 *DPF MESSAGE ON DISPLAY”

Hi all, could anybody help me, i filled my peugeot up with fuel the other day and a message popped up on the display, “risk of particle filter blocking”, the dpf has been regenerating itself without any trouble but the light is on and the message is on the display and i cant seem to shift the light off the dash ive tried driving up and down the dual carriageway in low gear high revs and its still not clearing, any help much appreciated.
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Old 27-11-17, 08:54 PM   #2
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Just a couple of thoughts

Has your car got plenty of dpf fluid in the tank

Could your fuel filler cap be not making contact and when you fuel up not adding the fluid for regen

Are your glow plugs okay
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Old 27-11-17, 09:00 PM   #3
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Thanks for the reply, i checked the eloys fluid and its showing 27%, it has a glowplug fault since a while but it has been regenerating ok anyway, has the cap got contacts on it?

Thanks
Gareth
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Old 27-11-17, 09:12 PM   #4
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Hi

Yep I understand the cap has somekind of possibly magnetic device that triggers the fluid every time you remove the cap for fueling

Also unless you’re sure its only one glow plug out id recheck those hou probably know the plugs are needed for regen
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Old 27-11-17, 09:44 PM   #5
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The fuel cap simply contains magnets. There is a reed switch on the fuel filler pipe that is closed by the magnets when the cap is in place. Should the switch been in the open position for about 15 seconds then the ecu assumes refueling has occurred. The magnets can sometimes drop out of the cap, although uncommon on newer models and the reed switch loom can sometimes go faulty (shows as the fuel cap not detected in Planet if the magnets are OK.
What's the mileage? This message will come up after about 120k miles even if the dpf is ok. If the glow plugs aren't working then active regens won't happen if you aren't doing the miles for passive regens. You also need the cooling fans working properly, at least quarter of a tank of fuel, cap and sensor working and engine up to temperature. Check the dpf state in planets, especially the live differential pressure across the dpf.
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Old 27-11-17, 10:12 PM   #6
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As above even if your DPF is regenerating fine the car wants to see a new one every 100k miles but if the filter is fine you just tell it it has a new one

More than 1 plug out will stop it regenerating and fuel cap does indeed control fluid injection using reed switch and cap magnets as above.
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