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Bio Diesel

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Ive done a few search's after a freind was telling me he only runs bio diesel and it saves him a fortune £0.90p per liter so after some searching it seams the early fabia pre 2006 could use Bio later models couldnt but just wanted to ask first does any one run 100% bio in there fabia vrs?

Just spent £71.10 filling up :'(

The PD engine cannot use bio diesel, look inside the fuel cap and you'll see a big sticker with "Do not use Biodiesel". If you do the fuel pump and injectors will fail very quickly as they clog up easily with the wrong fuel.

You can use a small amount, something like 90% standard diesel to 10% bio, but you wont save much.

How much is diesel in Bradford, I filled up on Friday and put £58 into my Superb and the Fabia has a smaller tank.

Ive done a few search's after a freind was telling me he only runs bio diesel and it saves him a fortune £0.90p per liter so after some searching it seams the early fabia pre 2006 could use Bio later models couldnt but just wanted to ask first does any one run 100% bio in there fabia vrs?

Just spent £71.10 filling up :'(

£71.10! Wowzers...

I think the max i have filled mine up is £66ish....and that's including the expansion tank :thumbdown:

Edited by Beancounter1980

Just spent £71.10 filling up emoticon-0106-crying.gif

What did you fill it with? Bull semen???

Mine cost £50.78 to fill the other day, with 35 miles left on the range.

  • Author

54 liters I got in her I think it was but its £1.31p per litre £71.10 I got in

What did you fill it with? Bull semen???

Mine cost £50.78 to fill the other day, with 35 miles left on the range.

thats how much i put last time lol do you remember how many miles you got to the tank?

think i got 420 but i'll double check.

yeah 420

what about red diesel,anybody use that?

yeah 420

what about red diesel,anybody use that?

If you get caught using that, prepare to have your kegs pulled down and you bent over a table!

Not a good option!

  • Author

Around 420miles around town but I have had over 600 on a run

If you get caught using that, prepare to have your kegs pulled down and you bent over a table!

Not a good option!

it's only a joke but if you want bending over a table sounds like a good option!

54 liters I got in her I think it was but its £1.31p per litre £71.10 I got in

Theres 54 litres in a fabia?? News to me :thumbup: I generally live on the edge and go £20-25 at a time. :giggle: I can get about 180-230 miles out of it.

  • Author

Just to throw a spanner in the works here are some bits of info and a few links :dull:

http://briskoda.net/forums/topic/49473-veg-oil-and-the-pd-engine/

The new TDIs (2004 and up, I think) use a different injection system than earlier models. This new system uses unit injectors (each injector is its own injection pump so to speak) rather than the familiar rotary injection pump. The countless positive testamonials you have heard refer to the old style rotary pump system. If you want to be assured of successful biodiesel use, get a pre-2004 car. I'm not at all an expert on this subject, but anecdotal evidence suggests that B100 may not work well in the newest generation of diesel vehicles. I'm not talking about VWs specifically, but all new diesels in general -- p-strokes, cummins, duramax, etc. These new engines use extremely high injection pressures to achieve a cleaner burn and better emissions. They are highly refined systems that are much more fickle about the characteristics of the fuel they use. Remember: Biodiesel is not the same as petro diesel. Chemically, it is an approximation, not an equivalent. Generally speaking, the older the vehicle, the better it will run on biodiesel because the less picky it is about the fuel it burns (the exception to this rule is that rubber fuel lines in anything over about 10 years old will need to be replaced -- either periodically or with biodiesel compatible viton). BTW, the new VWs have about 20% worse fuel economy due to their stricter emission control system.

I'm active in the TDIclub. The jury is still out on this one. Some folks have been running B100 in the new PD engines and so far no reported problems that I'm aware of. Time will tell as the miles add up... Larry

today in Seattle I attended a public biodiesel Forum. I talked to a guy that has been running B100 in his '05 Passat from day 1 with no complaints. I think this more or less answers my initial question. I also heard from someone there about the "plasticizing" in the '05 PD motors and he thinks it has more to do with old, oxidized biodiesel. typical tank life is about 6-months unless you add some anti-oxidants.. no kidding, vitamin-e oil he said... :)

Talked to a fellow yesterday with 45,000 on a PD running varied blends of biodiesel ... no problem so far.

For anyone out there who is confused or worried by the myths surrounding Biodiesel, please feel free to contact me.

I am with Ecotec Resources, a Biodiesel equipment supplier, and producer, and we have trained over 500 people to produce their own biofuels, meeting the requirements of EN14214. I have run my own Ford Galaxy(VW Pd engined) for over 60,000 miles on it. If you can think of a problem, or a myth, we've probably seen it/heard it, and can put your mind at rest. Training courses every Saturday. Visit http://www.etruk.com for details.

Hi welcome to the site. The VAG PD engine is a bit of a one off, but do you know if people are seeing problems running latest generation CR engines like BMW/Merc/Pug etc despite the manufacturers saying that you cant and consequently not honouring the warranty.

Hi there!

I know for a fact that all 3 run fine, even the DPF equipped cars. My son has a 320d that has been chipped to 200+bhp, and that is a bit fussy over 70% bio, but fine below that. We have a number of late model Mercs on 100%, and people running DPF Pugs on about 70%. The general rule is everything is fine on 50/50, and as you increase the bio content, the more highly tuned smaller engines will experience a tapering off in performance. This is due to the fact that bio is more of a slow burning fuel than fossil, and doesn't produce quite the same power.

Hi there!

The highest mileages are a BMW 530d touring at 80,000, and my own Ford Galaxy at 60,000, neither of which has suffered any problems, and continue to run smoothly and cleanly. My Galaxy's filter also went 35,000 before it's routine change.

Hope this helps.

Dave

Were you not talking about getting a FMIC and hybrid turbo etc a while ago? Whats the point in doing that, or even mapping a car, only to then run it on the cheapest ****tiest fuel you can get your hands on?! I mean yeah, a old sdi or something but a vRS? :wonder:

Matt

  • Author

read my sig i have done all i said i would but i use my car for work so i go through stupid amounts of fuel every week it was just an option i was looking at just the same as i ran LPG in a ford mondeo ST24 and vectra Gsi 2.5 V6 i dont want to put my car at risk from crappy fuel hence me researching it :wonder:

I just dont see the point in pushing the engine by tuning it, then running it on crap. Bio fuel has always been a bit hit and miss, certain parts being needed to be modified, long term damage etc etc, and that was on older motors, let alone PD engines. I think a mix of tuning, high miles and bio fuel is only going to end up ruining something.

However, i`m all for cheap motoring, so good luck if you give it a go :thumbup:

Matt

  • Author

I'm still researching it and until I'm 100% convinced that it is safe for my car I won't be putting any in and if I do go ahead it will only be on say 20/80 mix to start with as suggested above and only with the best grade I can get IF it turns out to be safe then it will mean more money in my pocket which is never a bad thing when I only get £0.30p a mile for work.

People said the same thing about LPG yet its now sold as a factory fit option? And bio diesel is already being added to forcourt diesel in a 5/95 mix so where already running it through our cars!!!

The issue I have is the pressure the PD engine injects the fuel at this could be its down fall but more research is needed but I will get an answer in the end just need some time on my laptop it only took me a few weeks to design

My intercooler sprayer and source parts to make it fully auto so I'm sure I can clear up the missconceptions and get to the facts in the end.

Sorry for the spaceing typed on my Black Berry

Hi,

I'm running 100% Biodiesel in my Skoda Fabia 1.9SDi (2000 W Reg). Running fine the last 10000 miles or so on the stuff. I would take the advice from the skoda website mentioned above, do not run it below -10 degrees centigrade. The fuel gels and thickens, and it clogs the filter. Fuel consumption is slightly less, and you will have to change the filter more frequently. I had big problems in the cold snap, my filter froze as the temperature went below -10 degrees centigrade so I got into the big trouble and managed the limp home, the car kept cutting out and couldn't rev beyond 2000 rpm. A cheap £15 fuel filter change resolved this, and ran the car on diesel for the cold month and back to 1000% biodiesel now which apparently had cold winter additives for better running.

I'm saving about 25p/litre from my supplier. So it's a reasonable saving if you do above average miles. I am planning to modify the filter and put a warmer to operate more efficiently in the colder temperatures. To be fair real savings would require a proper conversion to get straight vegetable oil and then seeing if you could find someone nice who gives you waste oil and filter it. I have to say there is something to be said about the old SDi despite being so so slow! Have to get that power steering sensor fixed though ....... !

Edited by nigelcm

  • Author

Thanks for the info nice to see someone on my wave length just a shame its not a PD engine but thanks for the advice oh and how easy is it to change the filter on these?

Last time I was at the dealers there was a leaflet in the waiting area saying bio diesel has not been approved by VAG to use with diesel engines or something along those lines, it's been a while since I was there so can't remember 100% correctly.

Why not email Skoda uk and ask them ?

Fuel filter is behind front passenger headlight, right at the top so should be fairly easy

Matt

my mate runs bio diesel in his golf same engine as ours etc his is remapped too. personally i'm just going to carry on getting ripped off and just use propper stuff.

  • Author

my mate runs bio diesel in his golf same engine as ours etc his is remapped too. personally i'm just going to carry on getting ripped off and just use propper stuff.

Could you find out a few things for me from him if possible

What mix does he use I.e 50/50 30/70 or 100% bio

How often does he change his filters, and oil

What year is it

And has he had to make any moddifactions to be able to run it

Thanks in advance

Could you find out a few things for me from him if possible

What mix does he use I.e 50/50 30/70 or 100% bio

How often does he change his filters, and oil

What year is it

And has he had to make any moddifactions to be able to run it

Thanks in advance

i don't see him anymore think it was a 06 plate doubt he even changed his filters etc

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