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Discussion Starter · #1 ·
Am I the first ?

Filled the car with ?80 worth of 97 RON super duper unleaded last night - shame it is a diesel !!!

Anyone know what this may do to the DPF?
 

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Did you start it?

In small ammounts diesel engines are pretty tolerant to petrol - 70L though is a touch too much!!

I guess you have had it drained and then filled with fresh diesel, chances are there will be no ill effects except those affecting your wallet
 

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Put 10 gallons on top of 3 gallons (diesel) and drove home 1/2 mile no problem.

Got to the end of the drive this morning before the stuttering started, but it didn't actually conk out.

It has been towed off for a drain down. I did the same to the A3 and did 40,000 miles afterwards no problem, but that didn't have this DPF systems fitted?
 

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I really wouldnt worry about the DPF, it'll be fine but beware of them sayig that X,Y,Z should be replaced at great expense "just in case".
 

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NSM3 - I do hope no damage is done but would be interested to know how much it cost to sort out in the end. A warning to us "diesel drivers" with Q5's to be very careful and pay attention at the pump although I know it is easy to do as my wife managed it with a hire car once!! OUCH !!
 

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Hope you get away with just the drain out and no pump or other damage.
Worth thinking about fitting one of the mis-fuelling devices. They are not totally fool proof - if a garage fits an incorrect black diesel nozzle to a un-leaded pump - but do reduce the chance of a mishap.

I still have to double check when am am fuelling my diesel Q5, even with a mis-fueling device fitted, having had petrol cars for 30 years and now one of each.
 

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Discussion Starter · #7 ·
Thanks all - no feedback yet as the garage is fully booked so they haven't looked at it yet - hoping nothing significant has happened as the car has been literally driven 20 metres on the 70/30 petrol/diesel mix.

Think I will order one of those filler cap things while I am online !!
 

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Am I the first ?

Filled the car with ?80 worth of 97 RON super duper unleaded last night - shame it is a diesel !!!

Anyone know what this may do to the DPF?
Thats not good,just a drain out and run with some diesel in it should sort it.its a lot worse putting diesel in a petrol.Hope you get it sorted soon
 

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Discussion Starter · #9 ·
OK - all sorted. Required taking out the back seats unfortunately, so a small chip in the interior plastics, but nothing serious - my biggest concern was "will they now rattle", but thankfully they don't.

Just a drain and re-fuel (no filter) - Done 30 miles in sport and manual mode (not good for fuel consumption!) and pleased to report that all seems as normal, smoothness, power, pickup etc etc.

Cost ?183 plus wasted ?79 tank of fuel - got a quote from an Audi garage (no names/no numbers ) and they reckoned near to ?500 (3 hrs labour + filter), so be warned !!

I won't be doing that again in a hurry !!!!!!
 

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What a relief! and a reasonable price too, presumably a local garage.

The AA charge ?300+ to non members, but may be esential if it happens away from home base.

AA Fuel Assist is 0870 240 3985

- drain, flush and replenish your vehicle's fuel system
- ensure the contaminated fuel is recycled through a waste management company

We aim to attend any vehicle, providing the Fuel Assist van has enough capacity in its tank.

Prices start at:

?221.50 (?188.51 plus VAT) for AA Members who have been with us for more than one year
?256.75 (?218.51 plus VAT) for new AA Members within the first year of Membership
?303.75 (?258.51 plus VAT) for non-members
 

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Well you wont do that again in a hurry


Glad its all sorted though
 

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I'm surprised that Audi doesn't fit the misfueling devices as standard (that stop you physically fueling from a petrol nosel in a diesel etc) - BMW have had this for years and even Ford fit it as standard to most models now!
 

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I'm surprised that Audi doesn't fit the misfueling devices as standard (that stop you physically fueling from a petrol nosel in a diesel etc) - BMW have had this for years and even Ford fit it as standard to most models now!
Why would they at 500 a go.
 

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Discussion Starter · #14 ·
Not wanting to prolong this thread as it is all now sorted - but after dnw's post, I have just looked in the filler cap on my pals GT5 BMW and hey presto, there is the anti mis-fuelling device!!

I have to say, this is a poor show on the part of Audi - I thought they were right up there on having the latest gizmos - "vorsprung durch technik" and all that ?
 

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Perhaps most Audi drivers are perceived to have higher intelligence than BMW drivers, and hence shouldnt need one
 

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Discussion Starter · #16 ·
LOL - I walked right into that one, didn't I
 

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This being my first ever diesel, after 28 years of car ownership, I live in constant paranoia of doing this. I catch myself saying "diesel, diesel, diesel" as I pull onto the forecourt - which gladly is none too frequently at 400+ miles from a tank.
 
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