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Old 27-02-17, 06:42 PM   #1
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Hi. I have a Peugeot 807 hdl 2.ltr diesel but is not very good on mpg how many mpg is expected out of it

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Old 28-02-17, 07:52 AM   #2
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Our 2.2 Hdi does about 32-33 round town, mid 40's on a run. Check the air filter, wash out the dpf, check for binding brakes especially handbrake.
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Old 28-02-17, 11:37 AM   #3
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Thank you for your reply sorry but wot is a dpf.

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Old 28-02-17, 11:55 AM   #4
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Quote:
Originally Posted by steveant View Post
Thank you for your reply sorry but wot is a dpf.

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diesel particle filter

trip computer on 307 use to read around 5,0 while driving after clean out it now sometimes goes as low as 3.2, pulling away and excelarating still at 7 or 9
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Old 01-03-17, 06:48 AM   #5
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Do you mean the diesel filter is the dpf I thought you just change the diesel filter I don't now if you could clean it .I seem not to have a lot of kick down slow on mark but pulls really well.

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Old 01-03-17, 07:29 AM   #6
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If the car drives perfectly fine but MPG is low it could be your injectors need cleaning and refurbishing.

When I bought my third 307, it drove fine but I couldn't get more than 480-500 miles out of a tank.

When an injector failed I had all four refurbished and after that was getting the usual 550-600 miles that I'd seen on my other 307s.
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Old 01-03-17, 08:31 AM   #7
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See

https://www.peugeotforums.com/forums/...leaning-88850/

https://www.peugeotforums.com/forums/...ter-dpf-88858/

You may not have one. 2.0 engine has a fixed vane turbo, the 2.2 has a variable vane turbo meaning slightly better low down grunt.
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Old 01-03-17, 09:23 AM   #8
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Hi. Wynd the link takes me to steering noise problem. I can see that you reply a lot and I'm very grateful for your help my car is only doing 20mpg around town and takes a lot to get to 3rd gear.

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Old 01-03-17, 10:40 AM   #9
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DPF is not the fuel filter, its inside the exhaust. When is the last time you took the car for a nice burn on the motorway?
The DPF regenerates on the motorway mostly. Burns all the soot and converts it into ash and blasts it out.

Some shops sell DPF additive to clean the system but you should have a eloys pat fluid tank in your car what does the same thing. It injects a little everytime you put fuel in your tank, so it checks whne the lid is opened and closed. Well thats what they say, not too sure about it though.

Are you putting about allot in town and shops? Maybe just needs a nice drive to clear it out.

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Old 01-03-17, 10:53 AM   #10
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Things what can improve millage

1. Clean DPF, regen on motorway, additive or wash out, toxic soot inside. or PP2000 computer regenerated in service station or friend(Some people take it for deleting but requires very special tuneing)
2. Injectors, additive, rebuild, replace or clean , if removed will need new fireseals. (additive is the easy one on a clean tank of fuel)
3. Fuel Filter, sometimes difficult to replace or gets air leaks when done. Only viable if very old.
4. Airfilter, replace, should be part of your service plan.
5. MAF, cleanout with easystart this sensor is inside the air filter pipe. Easy one to do, wait for it to dry before starting.
6. ERG , cleanout or blanking. Difficult to do in some cases and may cuase other problems later.

They all will require some skill to undertake. Perhaps if you car is old when service time comes add one to the list to do. But something to google and research.

For you the most basic option is to take it for a nice drive and see if that improves anything.
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Last edited by PeugoetD; 01-03-17 at 10:57 AM.
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