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Author Topic: Wrong fuel- happy days!  (Read 3792 times)

Offline insanitybeard

  • Greetings from Mr Chick!
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  • Model: Galaxy Mk2
  • Spec: '54 130ps TDI Ghia
  • First Name: Paul
  • Region: South West
  • Country: United Kingdom
Wrong fuel- happy days!
« on: July 16, 2014, 12:14:40 PM »
The partner's folks have had a Touran for the last year or so, they've literally just swapped it for a brand new one which has done about 1000 miles, and managed to part fill it with petrol the other day (it's a TDI!). However, having stuck about a gallon and bit of petrol in they then brimmed the rest of the tank with diesel. If it was only a little over a gallon of petrol diluted in a full tank of diesel I would have been tempted to try it and see if it ran ok but they didn't want to do that (fair enough, it's a virtually brand new vehicle and you need to be careful with common rail fuel systems and incorrect fuel) so ended up having it recovered.

Trouble is, it's muggins here who ended up having to put it right  ::) , and they don't make it easy to drain fuel out thesedays.... on this car, even the flippin' filler pipe is plastic welded into the tank so there's no way of separating it to drain the tank, I assumed there was an anti-syphon valve in the filler neck so didn't even bother trying that. There was no way in hell I was gonna struggle and likely get covered in fuel by trying to drop the tank whilst lying on my back on a driveway so in the end I ended up separating the fuel feed pipe from the tank sender to the engine bay just forward of the fuel tank and drawing the fuel off, the only problem was that the little squeezy bulb type hand pump I bought wouldn't draw the fuel off by itself, so in the end I ended up using the lift pump in the tank to force the fuel out in conjunction with the squeezy bulb, the only problem is the lift pump only operates for a second or so when the ignition is switched on to pressurise the system so I had to repeatedly keep turning the ignition on and off to make the pump operate! (I suppose I could have considered bridging the terminals on the pump relay to make it run continuously but that would have involved accessing and working out which relay that was, plus with all the electronics fitted to new cars I'm not sure if that may have thrown up a fault).

Anyway, it was a tedious method but it did work without huge amounts of struggling on my part, and I didn't get dirty or covered in fuel so I'm happy with tedious..... nearly 60 litres of fuel in total I got out, right to the point where the tank sender couldn't pick up any more. I've probably shortened the life of the fuel pump relay by operating it so many times but they can claim that under warranty if that's the case!  :P

« Last Edit: July 16, 2014, 12:17:24 PM by insanitybeard »
Always learning..... Often by mistakes!

Offline barlidge

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  • Model: Galaxy Mk2
  • Spec: 1.9TDi 2003
  • First Name: Bruce
  • Region: East Anglia
Re: Wrong fuel- happy days!
« Reply #1 on: July 16, 2014, 07:49:08 PM »
I was testing the fuel pump/relay on my mates TT recently, pulled the fuse and applied 12v to one of the legs thus bypassing the relay, dead easy and worked a treat. 

I guess it depends of course where the fuse is in the line but could be worth bearing in mind for next time they do it  :P

Offline Mirez

  • Pondering the next mod...
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  • Model: Galaxy Mk2
  • Spec: 03 115PS Ghia
  • First Name: Mark
  • Region: South West
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Re: Wrong fuel- happy days!
« Reply #2 on: July 20, 2014, 12:25:28 PM »
I had to drain off a mates golf and used a similar procedure, disconnected the pipe at the filter and then ignition on/off about 100 times lol. I did also contemplate how to get the pump to continuously run but it was nearly midnight and this was the easiest way :D
03 Ford Galaxy 1.9 TDI 115 Ghia in Spruce Green Metallic
With cream leather interior, Full Bodykit, Remapped at 145bhp, Lowered on 18's
06 VW EOS 2.0 T-FSI 210 Sport in Deep Black Pearl
With red leather interior with full Caractere bodykit, Remapped at 255bhp and sitting on 19's
14 VW Tiguan 2.0 TDI 177 R-Line in Deep Black Pearl
With black leather interior, panoramic sunroof and bi-xenon headlights.
08 Ford Transit 2.2 TDI 115 in Frozen White
With retrofitted everything except another slidey door! :)

VCDS HEX/CAN - Scans/Coding done in Wiltshire in exchange for winegums! :)

Offline insanitybeard

  • Greetings from Mr Chick!
  • *
  • Posts: 2386
  • Thanked: 70
  • Model: Galaxy Mk2
  • Spec: '54 130ps TDI Ghia
  • First Name: Paul
  • Region: South West
  • Country: United Kingdom
Re: Wrong fuel- happy days!
« Reply #3 on: July 20, 2014, 03:53:47 PM »
Exactly my thinking, I could've faffed about and tried to determine which relay was for the fuel pump but by the time I'd determined which relay it was and opened up access to it (I had no technical info or even the owners handbook to assist) I figured I may as well just keep turning the ignition on and off!
Always learning..... Often by mistakes!

 

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