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Major Fuel Leak

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15K views 24 replies 4 participants last post by  carmad  
#1 ·
Hi don't know if anyone can help I noticed a spillage of liquid when I returned to my car in a car park as it had been raining all I could see was a rainbow in the puddles (wasn't sure if fuel or oil) drove straight to my local garage who have now had the car for over a week. They told me I had a major fuel leak and was not allowed to drive the car it had to stay with them. They looked while I was there and there was a huge amount of fuel around injectors etc, they have since cleaned all of that away and had car idling for over 2 hrs they said with absolutely no leakage they then drove car around and it filled up once again with huge amounts of fuel spilling out, they say they have had the tank off to check for leaks and there is nothing they are now saying that they are going to have send away my injectors for pressure testing and try to take it from there, they have said that all of this is going to be very pricey as they have no idea what is causing the problem. When the flap is pushed in on the fuel filler cap there is pressure being released and they say they have to push this in when the car starts to leak fuel and it stops, so there is definitely pressure building somewhere. I would really like to know if anyone has any ideas as this is looking to be a very lengthy and pricey process. Also I had no lights come up on the dashboard to say there was a problem is this normal ???? I purchased the car in August 2017 3 days after I had to return it for them to do work on the DPF as it went into limp mode this is the only problem I have ever had with the car does anyone think this is related ?? I hope someone can help as this seems to have even stumped the mechanics he says he has never come across this before in a Kuga. Hoping someone out there can help thanks
Sorry forgot to add this is a 2012 2.0L TDCI
 
#20 ·
Who knows. Did you have a look as well.
 
#18 ·
Which only list 8 recommended garages with the two nearest being at ivy bridge. Not sure how far away that is and one listed was in ST. Alban's. I think someone at Which needs a geography lesson.
 
#16 ·
Thanks again for your advice we are near Plymouth we have looked into taking it to a diesel specialist and will take it from there. We are not mechanically minded so I am worried about messing things up trying to do things myself. The ones that have said running a diagnostic check were very good with my son and said if they couldn't fix it they wouldn't charge they can flush everything out (they do something called a terra clean ) Ford dealership pretty much said they would be running diagnostic even though nothing has flashed up on dashboard and they could guarantee that it would take up to 3 hrs @ ÂŁ115 ph so really thinking they are the last resort at that price my husband agrees with you Kuga-Craig that they are just out to take advantage so we have to pay the garage their money and then move onto the diesel specialist and hope this helps us and not breaking our bank
 
#14 ·
I agree. I did ask carmad where he lived so I could find a Which approved garage for him. He said Devon but that is a big county. Sounds to me like the garage he is using is taking advantage of the floods they have had down there.
 
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#13 ·
Avoid stealerships. Could be a London-town area dealer. Up here we are usually in the 30-40ÂŁ/h independent.

IF this was me.

1. Get car as far from stealership as pos.
2. Replace fuel filter.
3. Add Wynns (or other brand) dry fuel additive to the fuel tank.
4. Replace diesel injector seals - part number 1318562 - roughly ÂŁ8-10 for a set of 4
5. (OPTIONAL) Replace the leak off pipe - part number 1708234 - roughly ÂŁ25
6. Test and report
 
#11 ·
thank you guys we are looking to take the car elsewhere we have had a lot of floods down here (Devon) because I did think that was the only way water could find a way in thank you for all your advice did go to ford dealers today and they think even finding the problem could take up to 3hrs at ÂŁ115 ph so we are looking at finding specialists not just going direct to them
 
#10 ·
There are a few ways (that I can think of) into the fuel tank.

If water got into the air intake, there would be a hydro-lock of cylinders, can't see how it would make its way into the fuel system. The injector leak offs are part of the fuel injectors, there is nowhere for water to get into the fuel system like this.

Cracked tank - flow would be both ways. Pipework cracks etc would also have the same fuel leak results. Remember, the fuel system is pressurised so if there are any way for water to get in....fuel will get out.

The methodology for cleaning water in a fuel tank is generally: replace fuel filter, and add an additive that helps clear up water in the system; again....not a tank removal. Get your car away from the shop it's currently at and seek better help
 
#12 ·
There are a few ways (that I can think of) into the fuel tank.

If water got into the air intake, there would be a hydro-lock of cylinders, can't see how it would make its way into the fuel system. The injector leak offs are part of the fuel injectors, there is nowhere for water to get into the fuel system like this.
That is true. If only the diesel engine could compress water lol.

Did you see the ÂŁ115 an hour cost from the garage. What are they a main agent. Average was approx. ÂŁ75/hour in 2017.
 
#9 ·
Agree with the above. I don't like the fact the garage keeps saying it's going to be expensive. Get it removed from where it is and get it to a diesel specialist. See if you can find someone who is recommended or AA approved.

Tell me your home town or city and I will check if there is a Which recommended garage near you. Also have a think about joining the various Ford Owners and Kuga Owners group on Facebook for recommendations.

So you have water in the diesel. How did it get in there. If you have a tank that's leaking, it will let diesel out and not water in. The only way water can get in the system is for someone to pour it in the fuel filler OR by driving through flood water where water has entered the air intake which if that had been the case, I doubt if your engine would start at all.
 
#4 ·
Is it at the garage where you bought the car from. Apologies but I m extremely sceptical and hate trusting others to work on my car and house too which is probably why I never have any spare time lol. There always seems to be someone wanting to legally steal my money. There are possibly only one or two companies I would trust to work on my car and even watched the tyre fitters at Kwik fit recently when I had two tyres fitted. Had good service from them to be fair, they even checked the wear limit on my discs and torqued each wheel nut up in front of me.

Personally I would look for a diesel specialist than a ford specialist. We have one in Hull who specialise in Bosch fuel injection systems.
 
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#7 ·
No not the garage I purchased it from and yes I am extremely worried about being ripped off I am looking into finding a diesel specialist as have now been told that some how water has got into the system which they think has caused the problem and everything has to be stripped down and cleaned out
 
#2 ·
Look out for some replies certainly from keithmac and murcod and possibly a few others as well. I can't for the life of me wonder why they removed the fuel tank when the leak was around the injectors. Having a car idling does not simulate a road test and sounds to me that the only problem with your car is the injector seals are shot. Normally though when an injector seal has gone you can hear it. There is a leak off pipe to each injector which is designed to return fuel not burned back to the tank. Least it has had those on other diesels I have had. They can leak also and leave fuel around the injector but certainly not great pools.

I would be questioning why they removed the fuel tank when the leak was in the engine bay.

Is this just a small garage or a ford agent.
 
#3 ·
Look out for some replies certainly from keithmac and murcod and possibly a few others as well. I can't for the life of me wonder why they removed the fuel tank when the leak was around the injectors. Having a car idling does not simulate a road test and sounds to me that the only problem with your car is the injector seals are shot. Normally though when an injector seal has gone you can hear it. There is a leak off pipe to each injector which is designed to return fuel not burned back to the tank. Least it has had those on other diesels I have had. They can leak also and leave fuel around the injector but certainly not great pools.

I would be questioning why they removed the fuel tank when the leak was in the engine bay.

Is this just a small garage or a ford agent.
Hi thanks for that they said they removed the tank to see whether any pipes were blocked and causing it to push the fuel they seem to think all the seals are fine on the injectors but they want to send them off to be pressure tested and it is just my local garage but I am seriously considering trying to get the car to a main Ford dealer.