carl23 Posted January 22, 2014 Share Posted January 22, 2014 Hi all recently I have noticed my car is going through a lot of fuel. I have put almost double the amount I usually put in. I know it is a 2 litre but the car never drank this much fuel. Also when I am waiting at lights I can feel the car juddering for no reason. Any help would be brilliant. Thank you in advance. Quote Link to comment Share on other sites More sharing options...
carl23 Posted January 22, 2014 Author Share Posted January 22, 2014 I should mention I do not drive erratically or aggressive. As always have my kids in the car Quote Link to comment Share on other sites More sharing options...
jeebowhite Posted January 22, 2014 Share Posted January 22, 2014 Given the time of year and the colder weather you would expect a poor MPG return over the same journeys in summer. Best suggestions are as follows: 1) If the car is due a service, get it done, a good service will help breathe new life into the car. 2) reset the ECU - Disconnect the car battery, leave for 15 minutes or so and reconnect. This puts the ECU into a learning mode, and for two or three tanks will adjust to your driving style. Drive with a lead weight on your foot, and you get more response but less MPG. Drive like a 90 year old and you will get a much better MPG return. 3) Use branded fuel for a few tanks. The odd tank of super fuel can be good as a basic cleanser for the engine, but can be slightly more costly, but even sticking to branded "basic" fuel can outperform the supermarkets. 4) Buy yourself a BG244 (or BG240) treatment. This goes into the fuel tank and helps to clear the systems out of any contaminants. At a cost of £20 its always worth a shot and more often than not returns good results. 1 Quote Link to comment Share on other sites More sharing options...
colinellis Posted January 23, 2014 Share Posted January 23, 2014 Petrol or Diesel? I found Shell etc give a much better MPG ( +1 or more ) than regular supermarket fuel. More recently my last 2 Diesels ( 2003 2.0 tdci Mondy & 2005 407 2.0 HDi ) ran rough and returned a lower MPG on Morrisons diesel. Also as Jeebowhite says you will get a lower mpg in the winter as diesel is mixed on a higher ratio with Biodiesel to lower the freezing temperature in the colder months, also you will be using the heating, heated screens etc and lights more too and they decrease your mpg at the same time! Quote Link to comment Share on other sites More sharing options...
carl23 Posted January 23, 2014 Author Share Posted January 23, 2014 thank u for the replies. it is a petrol. Quote Link to comment Share on other sites More sharing options...
colinellis Posted January 23, 2014 Share Posted January 23, 2014 A Good service oil air fuel filters new oil and possibly spark plugs & leads generally sort it. if not atleast it will rule those components out. Quote Link to comment Share on other sites More sharing options...
jeebowhite Posted January 24, 2014 Share Posted January 24, 2014 It certainly wont do it any harm if they are overdue! Quote Link to comment Share on other sites More sharing options...
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