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Car Forum / Australian Car Forums / General Car Topics (Australian group) / October 2006Breakdown (overheating) after refueling in "Total pertol station, North Orbital Road, St. Albans" (contaminated fuel)
Hi, I have purchased a Excellium unleaded fuel at Total petrol station, North Orbital Road, Colney heath, St.Albans. (At 17/09/2006 13:37) After fuelling up I went onto M25 40 miles down the road the engine temperature rapidly jumped up to 130 degrees and damaged the engine. After investigations, mechanic has found that petrol was contaminated with diesel. Is there anyone else who fueled up around 17/09/2006 in the same place and experienced the breakdowns perhaps with similar overheating symptoms? > Hi, > [quoted text clipped - 10 lines] > and experienced the breakdowns perhaps with similar overheating > symptoms? Sure you didn't fill up with diesel yourself? Michael >>Hi, >> [quoted text clipped - 14 lines] > > Michael why would the engine overheat because of diesel sounds like sh.t to me and where was this? Total?? Excellium? sounds like he in the UK Kev > >>Hi, > >> [quoted text clipped - 21 lines] > Excellium? > sounds like he in the UK What can happen with fuel dilution in a spark ignition donk with a less volatile fuel, is the fuel portion of the charge does not burn completely. This leaves the engine running lean as the air component is unchanged, but the "burnable" fuel portion of the charge is reduced. A lean running engine is a much hotter engine. Jason >> >>Hi, >> >> [quoted text clipped - 30 lines] > > Jason Or perhaps the engine suffered from detonation as a result of lower octane fuel? Brett > >> >>Hi, > >> >> [quoted text clipped - 33 lines] > Or perhaps the engine suffered from detonation as a result of lower octane > fuel? Oh well at least he didn't fall out of the sky. Al  SignatureI don't take sides. It's more fun to insult everyone. http://kwakakid.cjb.net/insult.html Jason, Thanks for nicely explaining it. Do you know if there is any preventive technique to identify what goes into your tank other than "smelling it"? Is there anything I can do, to prove the faulty fuel? People say that content in my tank does not prove anything as it could have happened in any different ways. However I have took a sample of the fuel into a bottle and I see bubbles of darker substance floating at the bottom the bottle. Is diesel heavier than petrol? Best regards, Simon > > >>Hi, > > >> [quoted text clipped - 29 lines] > > Jason > Jason, > [quoted text clipped - 12 lines] > > Best regards, yes diesel is heavier petrol has a density of .73 where diesel is at .83(not exact because of variances in temp and blending/refining) so a sample of fuel left to sit will seperate with the diesel settling to the bottom Kev >> Do you know if there is any preventive technique to identify what goes >> into your tank other than "smelling it"? [quoted text clipped - 12 lines] >so a sample of fuel left to sit will seperate with the diesel settling >to the bottom Density is irrelevant to the solubility of liquids (and gases)... miscibility is what matters. Diesel and petrol are completely miscible and once mixed nothing should settle out on standing unless there's other contaminants present. One easy test for a possible mixture of petrol and diesel (or some other miscible liquid) is to measure the specific gravity of the sample, using either a hydrometer or an sg bottle (with the latter being more accurate). The sg of the mixture will be directional proportional to the mix ratio. As an aside... petrol and ethanol are miscible but diesel and ethanol aren't. The old trick of adding metho to petrol to remove water from the tank won't work for diesel. Nor is E10 likely to completely mix with diesel. SignatureJohn H >>>>Hi, >>>> [quoted text clipped - 29 lines] > > Jason maybe but that would of course depend on the amount of contaminant I drove 65klms with a diesel/petrol mix of aprox 30/70 with no affect on the temp at all I'm just wondering if it wasn't diesel at all but some other "product" added to the fuel, toluene or something similar this would have an effect on the running temps of the engine one telltail sign of diesel contamination is a "watery" smell in the exhaust and a very visible cloud of white smoke on deceleration you can't miss it, you'll think your engine has just blown to bits, only without the associated things like noises, loss of power and bits falling from your car Kev I'm sure, I have a sales receipt. > > Hi, > > [quoted text clipped - 14 lines] > > Michael > Hi, > [quoted text clipped - 10 lines] > and experienced the breakdowns perhaps with similar overheating > symptoms? Fecked if I know, I just pour whatever I feel like into the 'lux. That's mostly diesel (biodiesel, homemade too). Petrol mixed with diesel some times, kerosene, (it's a turbo diesel engine though) Oh, diesel type stuff into a SI engine?, no not good dude. |
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