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Help! I've put petrol in my diesel car by accident!


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Old 24-03-2011, 22:17
Adam14
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Hi there everyone

Well...I can't believe I have done this, but when I was at the garage earlier this afternoon, I accidently put 20 of petrol in Peugeot 207 1.6 HDI car.

I have never done this before in all my years of driving. Anyways, I just came home and took the car out earlier for a little bit, and it started to judder. It then totally dawned on me what I had done. I started to panic as to whether I would get home, and not knowing what to do, I went to the garage and filled it right up with diesel. I then go the 0.5 mile home ok, it was still going and seemed to respond to the diesel.

What do I do now??? Should I chance it, and see if I can keep it going until the petrol is gone. Or should I get it drained... I feel in a nightmare situation.

I'm surprised the car let me even put petrol in it, I thought new cars came with a mechanism to prevent this.

14 litres of petrol
33 litres of diesel.

Any advice would be much appreciated... I await a sleepless night. lol
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Old 24-03-2011, 22:23
mourinhosmissus
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You shouldn't have started it.

This happened to my sister's in-laws - they phoned a garage and a mechanic had to come out to the petrol station and drain the tank.

I'm not a mechanic but I reckon you've either buggered it for good or you're going to have to dig very deep to get it fixed.

Sorry.
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Old 24-03-2011, 22:24
roth30
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http://motortorque.askaprice.com/art...-questions.asp

Cant help a great deal as i don't drive. But found the above article which might help.
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Old 24-03-2011, 22:55
Squealer_Mahony
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Hiya,

My friend let her uncle borrow her diesel car and he put petrol in it.

She chose to just keep topping it up with diesel and burning out the petrol. It did chug and stuff when starting up.

Shes a farmer and her car is old though.

I think its worse to put diesel in a petrol car than putting petrol in a diesel car.
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Old 24-03-2011, 22:57
Waj_100
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Hi there everyone

Well...I can't believe I have done this, but when I was at the garage earlier this afternoon, I accidently put 20 of petrol in Peugeot 207 1.6 HDI car.

I have never done this before in all my years of driving. Anyways, I just came home and took the car out earlier for a little bit, and it started to judder. It then totally dawned on me what I had done. I started to panic as to whether I would get home, and not knowing what to do, I went to the garage and filled it right up with diesel. I then go the 0.5 mile home ok, it was still going and seemed to respond to the diesel.

What do I do now??? Should I chance it, and see if I can keep it going until the petrol is gone. Or should I get it drained... I feel in a nightmare situation.

I'm surprised the car let me even put petrol in it, I thought new cars came with a mechanism to prevent this.

14 litres of petrol
33 litres of diesel.

Any advice would be much appreciated... I await a sleepless night. lol


You did the right thing in filling up with diesel.

The worst thing is putting diesel in a petrol car.

Ideally, you should have the tank drained.

Put some Redex in your fuel tank to give some extra lubricant to the fuel pumps if you are driving the car to a garage.

Don't get conned into an expensive repair, at most you will need a new fuel filter and a tank drain.
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Old 24-03-2011, 23:18
jules_c
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My hubby has done the same thing several times.... Had to have the AA out to drain the tank and flush the fuel lines (he even managed to drive it until it conked out once) but the car has survived each time

Last edited by jules_c : 24-03-2011 at 23:35. Reason: Spelling
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Old 24-03-2011, 23:47
flicker
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I did the very same thing when I first got my diesel car, put 20 worth of petrol in it. Luckily realised straight away, didn't start it, called the RAC and they towed me to a garage, had the tank drained, cost me 40, plus the loss of the fuel that was in the tank, so all in all cost me 70. An expensive mistake.
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Old 25-03-2011, 00:03
Glen
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You did the right thing in filling up with diesel.
The best thing to do would be to stop driving it as soon as the error is realised so as to not put any more petrol through the engine, rather than just diluting it.
The worst thing is putting diesel in a petrol car.
Putting petrol in a diesel engine is more likely to cause a lot more damage than putting diesel in a petrol engine.
How much damage can be done depends on the age of the engine, more modern engines can suffer a lot more damage. Sometime the entire fuel system can need replacing.
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Old 25-03-2011, 00:42
uberman
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Fifth Gear tested this scenario by putting petrol in a diesel then driving it and vice versa:
http://www.youtube.com/watch?v=b5xhP...e=more_related
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Old 25-03-2011, 00:53
Adam14
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Thanks everyone for your advice.

I'll just get the fuel tank drained, and hope for the best. Ironically enough, I cleaned it this afternoon in preperation for selling it... lol, it's a funny old world.

I would be sad to lose all the diesel I put in it, but it was the only thing I could do. And I had to drive it back home after I realised - no garages open at 10 at night, even though I hated doing it.
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Old 25-03-2011, 00:55
Glen
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Fifth Gear tested this scenario by putting petrol in a diesel then driving it and vice versa:
http://www.youtube.com/watch?v=b5xhP...e=more_related
Although, as they pointed out in the film, a modern car is not going to have the same fuel system as an Astra from 18 years ago.
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Old 25-03-2011, 01:16
jackyork
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Thanks everyone for your advice.

I'll just get the fuel tank drained, and hope for the best. Ironically enough, I cleaned it this afternoon in preperation for selling it... lol, it's a funny old world.

I would be sad to lose all the diesel I put in it, but it was the only thing I could do. And I had to drive it back home after I realised - no garages open at 10 at night, even though I hated doing it.
Hi mate, i will tell you my experience, it is up to you if you want to do the same as me...I have a 1 year old Nissan Qashqai Diesel on two occasions I have put 10.00 petrol in by accident on both occasions I topped it up with 20.00 diesel this happened 8 months ago and 4 months ago, my car has not had any further problems. IMHO you will be OK but if I was you, when the tank goes under half I would refill again to dilute it more.
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Old 25-03-2011, 01:24
jackyork
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Petrol in Diesal is not as bad as Diesal in petrol, You have not buggered your car up.
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Old 25-03-2011, 01:25
Adam14
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Hi mate, i will tell you my experience, it is up to you if you want to do the same as me...I have a 1 year old Nissan Qashqai Diesel on two occasions I have put 10.00 petrol in by accident on both occasions I topped it up with 20.00 diesel this happened 8 months ago and 4 months ago, my car has not had any further problems. IMHO you will be OK but if I was you, when the tank goes under half I would refill again to dilute it more.
Cheers Jack. I'll keep you all posted.
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Old 25-03-2011, 01:28
jackyork
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Cheers Jack. I'll keep you all posted.
Don't worry mate, my car has been fine since.
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Old 25-03-2011, 01:37
Glen
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Petrol in Diesal is not as bad as Diesal in petrol, You have not buggered your car up.
Why? What damage is likely to be done to a petrol engine by putting a fuel you can't spell into it?
Compared to the damage petrol can do to the fuel system or cylinders of a diesel engine due to the lack of lubrication.
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Old 25-03-2011, 03:02
jackyork
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Why? What damage is likely to be done to a petrol engine by putting a fuel you can't spell into it?
Compared to the damage petrol can do to the fuel system or cylinders of a diesel engine due to the lack of lubrication.

Can you read ??? MY CAR HAD NO PROBLEMS after I made the same mistake as the OP.
You are no help to the OP.
How big do you feel pulling someone up on a minor spelling mistake, I have no time for people like you.
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Old 25-03-2011, 03:59
Hypnodisc
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I put 5 litres of petrol in my diesel car by accident, and then filled it up with 40 litres of diesel and it was fine.
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Old 25-03-2011, 07:18
mrs_buckley
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I thought it was ok as long as the amount of petrol was no more than a quarter of the fuel?
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Old 25-03-2011, 09:19
lawrenma2
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My Mum bought a diesel car about a year ago. I bought her one of those things from Halfrauds which you put on the fuel cap, when it opens, you hear a voice saying "warning, diesel only".

Anyway, somehow she managed to put petrol in it (being a woman . It was only 2 worth before she realised. Luckily a taxi driver was nearby and saw the look of horror on her face. He said if she tops up with diesel it'll be fine, and taxi drivers often put a few quids worth of petrol into their diesel engines, as it apparently helps to clean the engine.
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Old 25-03-2011, 10:24
Vast_Girth
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Ive done the exact same thing, and my car just drifted to a halt.

Had to call RAC and they put me through to a specialist company who came out to the roadside. Next thing i know a big van turned up with "WRONG FUEL UK" on the side to drain my tank. It may as well have said "look at the big idiot here" underneath. Anyway charged me 80 and drained my tank.

I think if you only put a bit in you can get away with diluting with diesel, but 20 worth i think its definitely worth getting your tank drained. If its at home you can probably do that yourself...
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Old 25-03-2011, 10:27
scorpio man
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When I was on the lorries some years ago I always added a few quids worth of petrol to the diesel, more so during extreme cold weather conditions to help stop waxing.

It also seemed to give the engine a little more humph
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Old 25-03-2011, 11:56
Adam14
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Ive done the exact same thing, and my car just drifted to a halt.

Had to call RAC and they put me through to a specialist company who came out to the roadside. Next thing i know a big van turned up with "WRONG FUEL UK" on the side to drain my tank. It may as well have said "look at the big idiot here" underneath. Anyway charged me 80 and drained my tank.

I think if you only put a bit in you can get away with diluting with diesel, but 20 worth i think its definitely worth getting your tank drained. If its at home you can probably do that yourself...
LOL at that mate... I know it's not funny, but that is a brilliant anecdote. It's the type of thing that would happen to me. Wow, how subtle - Wrong Fuel UK! haha

Still not tried it again yet, I'm waiting to later on until the roads are less busy...
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Old 25-03-2011, 13:03
Bulletguy1
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Considering the small amount of mileage involved you will be ok....plus topping it up with diesel will help though i'd have been tempted to have drained it out when you first realised what you'd done.

Far worse the other way round.......diesel into a petrol engine which is a big no no!!
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Old 25-03-2011, 13:04
Bedsit Bob
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You shouldn't have started it.
The OP didn't know, when they started it, that they had put the wrong fuel in.
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