TheCam 
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Registered: 16th Mar 07
 Location: Kirkcaldy 
User status: Offline 
 
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last night on the way home from the girls i decided to put my last fiver in my car, I couldnt figure out why the nozzle wasnt fitting in properly. 
turned out i was trying to put diesel in   once i realised, I put my £5 petrol in it and when i went in to pay. I had to pay for the 21p diesel that I used lol, had to search my car for 21p lol  
also didnt realise the nozzles for petrol and diesel were different, tis a good idea  
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Hamish 
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Registered: 4th Apr 05
 Location: Ashtead, Surrey Drives: 100bhp Mint with Hole 
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  numpty. I think the petrol one fits in the diesel one though which is more harmful    
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Steve X16XE 
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Registered: 31st Dec 06
 Location: Barnsley, South Yorkshire 
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It is a good idea to stop sleepy men and women getting it wrong. 
 
Although i think that the petrol will fit into the Derv one.
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TheCam 
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Registered: 16th Mar 07
 Location: Kirkcaldy 
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  lol anyone else done this? 
 
I've had a few people in my work who have put maybe £20 or £30 worth of the wrong fuel in and end up needing a complete new fuel system, so i was lucky that it didnt fit in the filler neck lol. 
 
[Edited on 02-08-2007 by cam1]
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Kurt 
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Registered: 23rd Oct 05
 Location: Hi  
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yeah they probably started it up then realised   if you put the wrong fuel in never start it and then they can just drain the tank
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Mattb 
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Registered: 2nd Feb 03
 Location: Under your sisters bed 
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we just drain the tank anyway at ours 95% of the time they are fine   its only realy cars with rotary pump for the diesel that can throw hissy fits, as the diesel is used to lubricate the seals. 
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Cosmo 
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Registered: 29th Mar 01
 Location: Im the real one! 
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wasnt there a car programme that part filled the tanks with the wrong fuel, then  filled the rest with the right stuff and it still started and worked fine with no damage to the engine?!
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Matt L 
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Registered: 17th Apr 06
 
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quote: Originally posted by Cosmo 
wasnt there a car programme that part filled the tanks with the wrong fuel, then  filled the rest with the right stuff and it still started and worked fine with no damage to the engine?! 
   
 
yeh 5th gear iirc, both cars were fine after a while. think the petrol one came out better tho. 
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TheCam 
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Registered: 16th Mar 07
 Location: Kirkcaldy 
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i got told that petrol in a diesel engine is a lot more damaging than diesel in a petrol. not sure how try it is.
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Matt L 
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Registered: 17th Apr 06
 
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yeh i meant the petrol car came out better. cause petrol doesnt lubricate (sp) the diesel engine as much so does more damage.
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ed 
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Registered: 10th Sep 03
 
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Petrol in a diesel engine can make the car more powerful if you use the right mixture. Also, a diesel engine is lubricated by engine oil not by the fuel. 
 
Diesel pump nozzles are bigger so that they can flow more fuel as the furst vehicles which used diesel engines were HGV's with large tanks  
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Rob126 
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Registered: 18th Feb 05
 Location: Mellieha, Malta  Drives: Corsa D 1.4 
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what about putting LRP instead of unleaded? i know that i mixture of both is sometimes used to increase performance.
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ssj_kakarot 
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Registered: 29th Apr 03
 Location: hartlepool 
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lol i put £5 worth of diesel into my old swift gti then filled the rest up with petrol when i relized, didnt do it any harm, got a lot better mpg that week aswell lol. 
 
did smoke for a while though lol thick black stuff, must have looked cool.
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Planty02 
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Registered: 5th Mar 05
 Location: Burslem, Stoke-on-Trent 
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I once filled up with optimax by mistake once, was just more expensive though, not dangerous to the engine  
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csweatherston 
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Registered: 16th Jan 06
 Location: Devon 
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whenever we get someone filled their petrol car up with a bit of deisel. we drain it then store it outback.. 
 
if its flammable it'll happily go into my car..aslong as i havent got my cat on.
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Lee Wilson 
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Registered: 20th Feb 06
 Location: Fareham, Hants Drives: XE Corsa 
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I hope I dont do this one day. I sometimes have to check ive got the right nosel after half way filling up just to re-assure myself  
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danward 
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Registered: 14th Nov 06
 Location: Northants Drives: C Exclusiv 
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I put £4 diesel in mine about 3 weeks ago! Noticed and then filled it to the brim with Petrol. I spluttered and bogged for about 2minutes but then some petrol got into the engine and it wasn't too bad. It took about 2 weeks until it started running right again! I think if I'd have put too much more diesel in, it would have been dead!
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jimbojambojumbo 
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Registered: 30th Jul 07
 Location: Essex 
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hehe a bloke up the road to me used to run a lada on a 60/40 mix of petrol diesel he swore that it run better coz it was designed to run on russian fuel i didnt have the heart to tell him that the engine was a fiat based one and would have run better on pure petrol. 
 
Anyway with the new style common rail diesel engines the damage by petrol can actually damage the whole engine not just the fuel system as someone stated the diesel is also a lubricant so petrol can wash oil from the bores resulting in excess wear on rings etc so i dont recomend anyone try to mix petrol/diesel in a diesel based car as there will be no performance increase diesel was designed in a way that it detonates at a certain temperature caused by compression  if you add a more flammable liquid into the engine then detonation will occur too early resulting in poor running not better.
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ed 
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Registered: 10th Sep 03
 
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But a method of making diesel engines produce more power is to combine a high RON fuel with the low RON diesel. The diesel detonates under compression, the high RON fuel doesn't, but when the diesel does combust it causes the high RON fuel to combust. LPG is used with diesel sometimes to do this. Though you would need to be pretty precise to actually get it to work.
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ainsley_brader 
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Registered: 24th Mar 02
 Location: Tattershall, Lincolnshire 
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quote: Originally posted by ed 
Also, a diesel engine is lubricated by engine oil not by the fuel. 
   
 
But the diesel pump is lubricated by the oil in the diesel which you wont find in petrol!
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richc 
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Registered: 24th Mar 07
 Location: Ilkeston 
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quote: Originally posted by Hamish 
  numpty. I think the petrol one fits in the diesel one though which is more harmful     
   
 
  yer think they do
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Nick-S 
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Registered: 3rd Mar 04
 Location: Leigh.     Drives: RS Megane 230 F1 Team R26 
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quote: Originally posted by Hamish 
  numpty. I think the petrol one fits in the diesel one though which is more harmful     
  yes they do but it is infact  more harmfull to put drerv in a petrol   
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Toby 
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Registered: 29th Nov 05
 
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someone said at christams time thought it help if you put a fivers worth diesel in a full tank of petrol as it has a lower burning temp it hel[ps the car run better
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pdwhelan 
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Registered: 25th Sep 06
 Location: Wigan 
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quote: Originally posted by CorsaB4ever 
someone said at christams time thought it help if you put a fivers worth diesel in a full tank of petrol as it has a lower burning temp it hel[ps the car run better 
   
 
I think its the other way around,  not to make it run better either but to stop any damage!  my cousin does it in his wagon at work. The boss tells all the drivers to put a fiver in.  Does diesel freeze or somthing?
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davey_jack 
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Registered: 28th Jan 06
 Location: Horley, Surrey Drives: Clio 182 
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LMAO at some of the comments here, if you try to run petrol car on diesel, it just wont run, hardly does any damage at all. HOWEVER if you try to run a diesel engine on petrol, forget lubrication, the air/fuel mixture will be compressed twice as much as it usually does, which can cause the mixture to combust while the piston is still on the compression stroke.  
I honestly cant understand people filling up with the wrong fuel, I struggle to see  how people can't tell the difference between a green nozzle and a black one! Working for an insurance company doing breakdown cover, I get so many calls from complete retards who have filled their £30k+ cars with the wrong fuel, and then get in right temper when I tell them its their own fault and its going to cost them atleast £200 to get it drained out  
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