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• Toyota RAV4 - Fuel contamination; how common is it? 30 Jul 2013 (Forum)
    I know from reading on here the potential harm I can do driving with the wrong fuel in,  but don't know what to do.  My main dealer is 9 miles away from home. If option 1is more likely have I potentially b*****ed it already? Help and advice most welcome! Sam (aka Dabooka)
• Ford Focus 1.8 TDCI 2008 - Hesitation unser load 16 Jan 2013 (Forum)
  (i have had the valve blanked for a year or so with no issues) MAF sensor - i have read these are a common issue and can be cleaned / replaced. Fuel Pump - i have a OBD2 reader and I can see when I do accelerate the fuel rail pressure drops from 18,000 psi to 4,000 ish. Could this be a fuel pump fault or is the system shutting the pump off as a fault is detected elsewhere!
• Any - Fuelish nonsense 10 Sep 2012 (Forum)
  Dug out some results of Which? tests on bog standard vs premium fuels (oct' 08).  Here's a summary of the results: Petrol: Ford Focus 1.6  measured RON Wheel hp   fuel economy Esso 95 RON             95.6                  81.5     33.7 Tesco 95 RON            97                     82.5     34.1 Tesco 99 RON            99                      82        34.5 Shell 95 RON              95.7                  82        34.3 Shell 97 RON             99.6                   84        34.3 Okay, lets try a turbo engine.
• BMW E46 320D - Ignition/Starting Issue 6 Feb 2012 (Forum)
  When you turn the ignition to position 2 the Engine Warning/MIL light doesn't come on, neither does the oil pressure light and the temperature gauge goes all the way into the red and there is no sound from fuel pump. It will crank fine like this but show no signs of firing. I can get it to start eventually by turning ignition on and off until all lights etc come on the dash as normal, you can then hear the fuel pump working but takes a long time to build pressure - around 13 seconds.
• Ford Focus 1.6 Petrol zetec 03 - P0172 - Fuel System Too Rich 7 Nov 2011 (Forum)
  The only issue i can see from my own obdii scanner is that long term fuel trim is -25% on idle everything else seems fine.  O2 sensor is switching between rich and lean keeping short term at 0.  When i rev the car to 3000 the long term trim reduces and short term increases.
• Mercedes Vito 110cdi - Starting problems with Vito 110cdi van 16 Aug 2011 (Forum)
  After filling up with fuel at Sainsburys my van took  longer to start after stopped The problem continued to get worse and was a problem starting the next 3 times and then wil not start at all My friend came round and took a look and removed the air manifold from the air filter and sprayed some starter aid in fro,m a tin then the van started soon as key was turned but when switched off after about 15 mins of running it again would not start and the only way to start this is to do the same as he done I wonder if the problem is electrical or maybe just due to dirty fuel When I was replacing the air filter as a way of eliminating possible problems I caught the back of the  fuel pressure sensor and the nipple on the back seemed to just easily snap off making me wonder if the problem may have been this part being cracked before as it seemed to break of at the smallest of touches hav enow ordered a new replacement part anyway I also bought a new fuel filter which I intend having fitted soon as possible The thing I wish to know is why it only starts with the can of starting spray Any help would be thankfully received John
• 2.0 tdci - tdci engine cuts out 1 Jun 2011 (Forum)
  2nd call dec 2010 - Advised AA to tow to garage without start from ford garage so they could see if any fault codes came up, no fault we detected and they couldnt fine any other problems, they thought it was frozen fuel so they checked fuel lines and replaced the battery, Today - called AA out and being towed to garage as we speak, i know its not frozen fuel in this weather. any help would be great as i cant drive it anywhere without the worry of it cutting out
• Nissan X-trail DCI 2004 model - Used home made diesel... Need advice 11 Jan 2011 (Forum)
  I have cleaned the Mass Air Flow meter (it was needed, It was very dirty) I have also added injector cleaner for diesel engines to the normal fuel.
• Mondeo TDCI fuel inj needs calibration? 13 Apr 2010 (Forum)
  Since I got it at 96k in March, it has been quite smoky when accelerating through the mid-range and it has not been particularly economical either. Is it time to get the engine calibration re-mapped? Does the fuel injection mapping need regular updating? Ford has not been able to find any fault with it and it passed its first MoT emission fine in September. My fuel consumption is 39.48 mpg (brim-to-brim but the trip computer states 46mpg) with the lowest at 28mpg (driving 2 miles to and from work within the congestion zone in London) and highest at 46mpg (driving up to and touring around Scotland).
• Renault Clio II (2001 - 2007) - 02 1.5 Wrong fuel in my diesel car!!!! 20 Jul 2009 (Forum)
  Yesterday I took my car to a petrol station and was talking on the phone. I have been talking...unscrewing my fuel tank cap...started to refuel and....after a few seconds I realised I have ben puting PETROL IN MY CLIO DIESEL! I was annoyed ! Damn! how could I have ever been so stupid! Damn phone! I got so distracted that I have put wrong kind of fuel in my car!
• Peugeot 206 hatchback (1998 - 2006) - 01 2.0 HDI Turbo mystery 3 Jul 2009 (Forum)
  It will start perfectly when cold and I can run around in it like a normal car. However I park up and cannot restart the car, once the engine is hot. I got a fuel pressure regulator fault so I have changed the fuel filter and housing and the High pressure fuel pump in the engine bay. The engine management light went off and I thought I had fixed it, drove around for half an hour and the same thing happens again.
• Ford Mondeo II (1996 - 2000) - 98 1.8td 'Squelching' noise when revving engine. 28 Mar 2009 (Forum)
  Finally, I've spotted a small in line fuel filter (looks obviously not a standard fitment) in the fuel pipe to the injection pump. Could these three things be related do you think? Is there anything throttle related near the passenger footwell that could cause the noise I'm hearing?
• Fuel shortage 25 Apr 2008 (Forum)
  The fuel shortage in Scotland and the North reminds me of the protest strike about 7 years ago . I was returning from a lenghty journey looking for some fuel on my way home, and saw a queue at a filling station that obviously had some.
• Ford Focus (1998 - 2004) - 2000 1.8 TDDI Fuel Pump Problem 19 Apr 2008 (Forum)
  Now 6 weeks later the engine has been rebuilt but I am now being told the engine will not start and the mechanic thinks it is because the battery has been off for so long the ecu has lost its settings. He towed it to the local ford dealer who put it on the computer but they have diagnosed internal fuel pump error. I fail to see why the fuel pump will now be faulty since the rebuild as it had nothing to do with the rebuild and the car ran ok apart from the crankshaft fault. Any ideas please ?
• Vauxhall Corsa C (2000 - 2006) - 2003 (December) 1.7CDTi - stalling when cold 25 Feb 2008 (Forum)
  i have had changed the following parts: coolant temp sensor- technical data for the car says this is a common fualt however no change once new on fitted only sensor was chnaged not wiring and it was an aftermarket sensor. Should i try genuine sensor and a wiring kit??? Secondhand (but known to be free from faults) fuel temp sensor in high pressure fuel pump - the reason for this is that autodata diagnostic equipment shows the fuel temp reading to be -34 degrees. how ever no change made the car runs fine once warm obviously this problem is fuel related but not sure what to do next.
• Mondeo ST24 V's ST220 fuel economy. 15 Sep 2004 (Forum)
  I've just discovered the ST220 is a 3.0L V6, not the 2.5L I used to own in an ST24. The one thing I'm concern about is the fuel economy. This you might find odd if I'm considering buying a car like this. The fact is that the ST24 I owned a few years back produced an average of 18mpg, being an American built Duratech V6 lump, I dont think they were too concerned with economy.
• Mercedes A-Class Fuel Leaks 10 Aug 2004 (Forum)
  Help... We're suffering a persistent fuel leak from the mrs' A-Class. It only seems to happen after it's been stood for a couple of days or more- after starting it up today there was petrol trickling out just in front of the rear wheels (hard to tell where exactly as it's got a plastic undertray that's nearly the length of the vehicle, hence it could be swilling about on top of that and leaving where gravity takes it).
• Fiesta 1.25 zetec - fuel system problems 20 Aug 2003 (Forum)
  1.25 Zetec 1997, 94,000 miler. Sudden chugging down motorway and loss of speed, replaced fuel filter for the first time and used injector cleaner. Stopped all the chugging- 90% better. Problem is when blipping accelerator quickly from idling, revs seem to do the opposite and die down for longer than usual say half a second, picks up after the initial air intake.
• Fuel Injector Cleaner update 5 Dec 2001 (Forum)
  As I drive approx 400 miles per week this represents a difference in just under 3 litres of fuel per week which equates to a saving (at 72.9p/litre) of about 100 quid a year. Not bad for something which cost a fiver though it does specify usage every 3000 miles. Just as simple is buying a gallon of paraffin and using (I think David W's) suggestion of 1ml to 1l every month or so.
• Volkswagen Golf SV - Reduced fuel efficiency after service 18 Nov 2021 (Forum)
  I recently had an MOT and service done on a Golf TSI. Since then I've noticed the MPG reading is not reaching as high as it was before. Is there anything...