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• Sub Standard Shell 13 Jun 2005 (Forum)
  I was curious to know if anyone else had encountered this elsewhere(the filling staion is in deleted , presumably the bad batch of fuel came from deleted ). Also, would this have any adverse or noticeable effect on a car? It did also wonder what sort of quality control system picked this up after it had left the refinery rather than before.
• Mazda 626 Noise + fuel economy 4 Mar 2005 (Forum)
  I have a Mazda 626 GXi SE 2.0i estate. It is nearly 3 years old and has developed a loud in-car resonance (low frequency thrum) at an engine speed of 1500...
• vw polo help! 6 Jan 2005 (Forum)
  I hope there is someone who can help me and my polo :) Recently my 1.4 cl polo '98 model is using an enourmous amount of fuel! almost a whole tank of fuel to do 200 miles on the motorway- normally it has only ever used just over a quarter of a tank to do that! It also is very slow to turn over on cold mornings and makes a ticking noise when it is at stand still.
• Mazda Premacy hot starting problem 20 Sep 2004 (Forum)
  He then said it might be the coil? I have a theory it may be the injectors or something to do with the fuel injection system. It has got noticeably worse since the beginning of September when the 'winter petrol' was introduced to the forecourts. Put some petrol and fuel injector cleaner in on Saturday and it seems a little better already.
• Mondeo TDCI misfire- Is this the answer? 25 Dec 2003 (Forum)
  He says the valves have a tendancy to stick open just as they should be closing and so this upsets the calibration causing misfiring, flat spots and poor response. Has anybody seen a TSB on this or heard anything about it? By the way Ive had the fuel filter upgrade, the fuel pressure sensor wiring upgrade and the last software/ recalibration was on 4 November- there is now an even more recent version available.
• Main Dealer Servicing 4 Aug 2003 (Forum)
  After 40,000 miles I have just found out that the fuel filter on my diesel Seat Arosa has never been removed from the vehicle and never drained of excess water. The car has a full Seat service history and was last serviced in April 03. The car was very rough after starting it up one morning and since I had a similar problem on Vectra diesel a while back I attempted to open the fuel filter drain plug.
• Clio petrol pump 22 Apr 2003 (Forum)
  Since the pump is beneath a hatch under the rear seat on top of the tank it looks like a simple unscrew fuel lines and pump body and drop in the replacement. Is it really that easy? I've sent him off to buy a Haynes manual but does anyone have an experience of changing the Clio pump and what to watch out for?
• Jerking 93 Astra 1.4i 19 Apr 2003 (Forum)
  The problem was really bad ie it was jerking in every gear and even when not accelerating. I have changed the spark plugs, changed the fuel filter and ran a bottle of engine cleaner in with my fuel. I think the two latter things have helped to solve the problem and now it only does it when my engine is cold, however sometimes when I drive it late at night when it has been stood a few hours, it is quite bad.
• Astra diesel cold starting 3 Dec 2002 (Forum)
  Once warmed up slightly -no problem. The glow plugs are new so there should be sufficient heat. I have a new air and fuel filter to fit in case there is a blockage in the airflow or moisture in the fuel but would appreciate any advice as to other potential solutions Allan
• Golf mk2 GTI 8v or 16v 22 Nov 2002 (Forum)
  I am thinking of selling my Carlton and getting something that doesn't gobble as much fuel. Also the complexity of the carlton and stuff going wrong is beginning to scare me. So, having sold my trusty Golf CL, I want to return to the fold but with more power and luxury. Clearly a post '90 car is the one to go for, but should it be 8v or 16v?
• VW Golf GT TDI pd (115) - Juddering 3 Apr 2002 (Forum)
  The outcome was that the garage (a main dealer), found petrol in the tank (allegedly) to be the cause. They said that the pressure of fuel going through to the injectors was too low and although I find it difficult to believe, the petrol caused the seal on the tandem fuel/air pump to deteriorate, resulting in air getting into the system.
• LPG Conversion of Volvo 850 7 Mar 2002 (Forum)
  I had my Volvo 850 conveted over a year ago at by an agent for Autogas 2000 Thirsk but the fuel consumption has never been as good as promised.before conversion i was getting a steady 30 mpg but afterwards it dropped to about 16mpg although I had been told to expect about 26mpg. After a year the car failed the test on emissions on both fuels and it was retutned to Thirsk where it was found that another control box was needed.
• Volvo petrol vent system 6 Mar 2002 (Forum)
  The vent line consists of a gravity valve (I would think that this prevent's the tank emptying if the car rolls over) and a diagphram valve, I am thinking that if the diagphram valve is passing then the turbo pressure within the inlet manifold will pressurise the fuel tank?????. If this is happening how would this affect the running of the engine?, the tickover is very lumpy but only when the tank is less than half full of fuel. Anyway before I start ripping things to bits just finding out if anyone has experiance of this system and common probs?
• Oil Additives - Any good? 12 Jun 2001 (Forum)
  I've always thought that if whatever is in them is any good, the oil producers would be putting the stuff in anyway. By the way, adding Wynn's Deisel Clean to the fuel hasn't made any difference to my car's fuel economy or performance (present 53,000 miles). Any thoughts? Tom
• Excessive Consumption 23 May 2001 (Forum)
  However, the fact that it STILL smokes somewhat suggests, to ME, that too much fuel is going in there!)
• Well here we go, toll roads 15 May 2022 (Forum)
  In replacement of, or maybe (I think) in addition to, fuel duty? https://news.sky.com/story/toll-roads-could-be-introduced-to-uk-roads-as-electric-car-ownership-surges-12572599
• MGZS 2005 - Diesel additives, Premium diesel 3 Mar 2017 (Forum)
  I would welcome any advice regarding the use of additives in diesel fuel or premium diesel please. Have tried searching the forum without success , Regards , Mike
• Citroen DS5 - PDF REGENERATION 30 May 2015 (Forum)
  Sealy have produced a bit of kit that can perform a regeneration on the PDFit links into the computer and increases the revs and the fuel intake thus increasing the engine temperature would this be enough to complete a full regeneration of the PDR
• no specific model - GDI TURBO OR MPFI TURBO? 30 Oct 2014 (Forum)
  from view point of fuel consumption for a passenger car which of following techology for engine is the best solution? 1- dowsizing with turbo GDI 2-dowsizing with turbo MPFI
• Blowing Gasket. Will this effect my MPG - FIat Bravo 1.6 9 May 2011 (Forum)
  The downpipe gasket is slightly blowing in my Brova. Would this effect the MPG by much? MY car seem to be going through a lot of fuel.