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• Punto uneven idle 7 Mar 2003 (Forum)
  I've got a 1998 Fiat Punto 75 SX 1.2, multipoint fuel-injection and 34k miles. From time to time the idle speed starts to surge up and down, and the fuel injection warning lighr comes on, although generally speaking not at the same time. I don't have access to a code reader, but I'm guessing
• gremlins in trooper enigine! 11 Feb 2003 (Forum)
  the cranking). Also if the hand fuel pump in the engine bay is tried before cranking it is soft for the first two or three pumps before it becomes stiff, suggesting possibly that the fuel is running back? It is fine to start any other time, just has bother when left overnight, or for a long period. The vehicle
• Astra 1.7D Grey/Black smoke 17 Jan 2003 (Forum)
  . The specialist suggested that i ran some injector cleaner through the fuel tank to clean possible deposits from the engine components but this hasnt worked either. i have read on various forums that the injectors could possibly be worn and may need replacing and to also renew the fuel filter as this can
• Omega fuel tank woes ? 3 Jan 2003 (Forum)
  For some time now I've had a rattle from the back of my MV6 saloon. I've tried everything to pin it down - to no avail. This afternoon I wanted to take...
• Harse running 15 Dec 2002 (Forum)
  running at normal temps the engine continues to feel slightly harse when on the cruise. The garage had rechecked the engine and run some diagnostics but no fault found. I've run a tank of loaded injection cleaner and different fuels. Tick over and starting are perfect, and fuel consumption as before 34/37
• Audi 100 quattro 1989 cold starting. 13 Nov 2002 (Forum)
  start valve (engine cold)which seems to be working, it delivers a strong cone shaped amount of fuel everytime. I was going to check the warm up valve but according to the manual this device is to richen the fuel mixture when the engine is running and warming up so I dont think that its anything to do
• Merc extended warranty 8 Oct 2002 (Forum)
  It looks like Mercedes Benz (USA) have lost their court case and been forced to extend the warranty on some engines to 10 years/150K miles. Apparently, they used to recommend low viscosity oils, typically 5W30, in order only to increase their Corporate Average Fuel Economy. And this, coupled
• Engine chirrup 27 Sep 2002 (Forum)
  or momentary hesitation before carrying on as if nothing has happened. If l turn the boost down the problem seems less prevalent. I initially thought this could be the engine ECU boost pressure limiter kicking in, but l am also wondering if the fuel pump is unable to meet a sudden increase in fuel demand
• VW's again 15 Mar 2002 (Forum)
  I know, i have asked this one before. My Passat is now back from the garage after MOT and general check to findout why the power keeps fading away and dropping me down to 50 or 40 mph with the revs screaming. The mechanic could not find anything, but changed the fuel filter and air filter anyway
• Free Scrap 18 Sep 2001 (Forum)
  My apologies for posting this, but I have a 'T' plate BMW 728. Last of the straight 6's without fuel injection. It has been standing for 18 months, but still starts, drives and stops. I need to get rid of it before Friday night. If someone wants to give me money for it that would be nice
• air con 13 Jul 2001 (Forum)
  This might sound like a silly question but in terms of using air con economically as well as looking after the system, is it better to keep it on all the time when needed in hot weather? Does switching it off then back on again every so often on a journey to keep fuel consumption down do it any
• Diesel fuel treatment 24 Apr 2001 (Forum)
  I had a problem with black smoke with my PSA XUD diesel engine. I usedRedex diesel treatment for some thousand miles with no improvement and continuation...
• direct/indirect diesel injection 31 Mar 2001 (Forum)
  waiting for the fuel to be pre-heated ? Does the direct injection use glow plugs, and if not is the fuel heated up by the action of the piston moving up the cylinder and compressing the mixture ? I am collecting the car next week so i have not had a good look at the engine yet so any info would
• Excellent April fool, or is it? 8 Apr 2015 (Forum)
  http://www.theguardian.com/media/2015/apr/01/jeremy-clarkson-joins-guardian-drive-for-fossil-fuel-divestment
• SmartDiesel 11 Jun 2004 (Forum)
  No, not the car but a fuel card scheme which gives drivers cheaper diesel (69.3p today). Anyone using them or had experience of them http://www.smartdiesel.co.uk/
• Passat 2001 Help 27 Dec 2003 (Forum)
  Can anyone tell me the location of the fuel and pollen filters on the 1.9TDi(130) model.Need to change them but not sure of their whereabouts.Thanks
• Buses and auto gearboxes 13 Mar 2003 (Forum)
  Why are a lot of buses now fitted with auto gearboxes? Surely this only increases fuel consumption and hence pollution. Ben
• A very detailed explanation of how DPFs work 2 Jan 2012 (Forum)
  black exhaust fumes emitted from the diesel engine. They are a complex mixture of solid and liquid components with the majority of particulates being carbon microspheres on which hydrocarbons from the engines fuel
• Cutting down on driving now? 14 Mar 2022 (Forum)
  With the price of fuel now rising steeply are members going to cut down on mileage now to save a bob or two? 
• Bye bye Subaru diesels 22 Aug 2018 (Forum)
  Their fuel economy was always poor anyway. Most likely reason is that they couldn't compete with other manufacturers on economy and price.