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• 
  Smokey start up in my BMW - why? 20 Nov 2015 (Ask HJ)
  There's always lots of smoke (blue/white) on a cold start up, once warm it disappears completely. Any ideas?
• ka 2006 - ford ka engin light 4 Nov 2015 (Forum)
    5 days later it came back on. when it was of the car surged. now it goes like a rocket but extremely heavyon fuel.   i have replaced following. coil-pack, plugs, bougicourt, full service done, fuel filter and petrol tank was dropped and system is clean. Carbon filter is cleaned aswell.   Any idea why ?
• 
  Should I add injector cleaning fluid to my BMW 5 Series? 30 Oct 2014 (Ask HJ)
  Should I add injector cleaning fluid to my 2007 BMW 525d diesel engine?
• 
  Which cheap small car? 4 Mar 2014 (Ask HJ)
  I am looking to buy a new car with the following requirements: economical on fuel (running round Cornwall), reliable, small, and under £10k. What is best?
• 1996 leyland daf 45 130 turbo - leyland daf 45 130 turbo running problem 16 Mar 2013 (Forum)
  hi the vehicle was stood for 2 months whilst waiting for a clutch master slave fixing now it wont start of the key but will start with easy start it will stay running for 10 mins then cut out,its had new diesal filters on ive cleaned the fuel lines out,when primeing the lift pumpi can hear fuel bubbling back to the tank,and also theres frothing coming from 1 of the injectors anyone have any ideas as to what could be wrong with it...thanks
• 2005 ford focus 1.6 tdci - power loss 29 Jun 2012 (Forum)
  my 2005 ford focus 1.6 tdci as developed a power loss problem. it will be driving ok then all of a sudden it just as no power, as though there is a blockage in the fuel line. its only for a couple of seconds, it loses power, growls a little and gives out a puff of smoke and then its fine again for a few moments then it does it again. its generally ok at higher speeds. its just been serviced, all the filters done, fuel filter changed twice just in case that was the problem, and i always use shell v-power diesel or similar. please help.
• 
  Fuel consumption in winter 20 Feb 2012 (Ask HJ)
  Hi can you tell me if diesel engines use more diesel in the cold weather? My economy has dropped from 55mpg in the warm weather To 46-47 Mpg in the winter.
• Chrysler Voyager SE - Engine losing power while driving 31 Jan 2012 (Forum)
    Could keep going short distances but then lost power completely.  Usually started again after 10 minutes to an hour.  Symptoms of fuel starvation, but garage could not find problem, despite running Chrysler diagnostics.  Eventually one garage, which had experience of this model of this age, correctly identified the fault as the rev counter on the crank shaft (and possibly cam shaft too) being faulty and sending wrong information to the fuel injector.
• Ford Mondeo - Trip Computer 14 Dec 2011 (Forum)
  Don't take to much notice of trip computers before you have checked them out by noting down the TOTAL mileometer reading, filling the fuel tank up, doing the miles, topping the fuel tank up again, then deducting the last mileage reading from the present reading, then dividing the answer by the gallons used. Do this several times to check out the trip meter fully.
• dealer parts price rip off 15 Nov 2010 (Forum)
  Just wanted to share my experience recently of getting parts. I was told I needed a new fuel pressure regulator for a bosch fuel pump. Peugeot wanted £300.  I thought about cutting the middle man out and going straight to bosch.  I managed to find a local distributor off the bosch website and found one for £98.
• Citroen Berlingo Multispace - Poor running/misfire/?running on 3 28 Aug 2010 (Forum)
  Berlingo 2.0hdi (June 2002) 90bhp got a bad misfire, sounds like running on 3 , has siemens injection system, had new injection pump 8 months ago, have changed fuel filter, we seem to have very little pressure out of the high pressure side of the injection pump to the common rail, have removed feed pipe from common rail , seem to have very little fuel delivery out of pump when cranking.Could it be electronic problem with pump, ie partially opened solenoid, or could pump be faulty.
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  Does the 2010 Hyundai Santa Fe have a DPF? 27 Jul 2010 (Ask HJ)
  Can you tell me if the 2010 Hyundai Sante Fe 2.2-litre has a particulate filter and, if so, might this be a problem?
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  Why does my Ford Mondeo 'splutter' when accelerating in higher gears? 4 Jul 2010 (Ask HJ)
  My Ford Mondeo mk2 2.0-litre estate 'splutters' when trying to accelerate in higher gears. It will sometimes take a while to start in mornings as if starved...
• Politics and Motoring 5 May 2010 (Forum)
  no one brought it up here There is supposed to be a fuel protest next week but I have only read about this on one web site Meanwhile the poloticians run around in big cars, private coaches, fly around the country and tell use they will tax use so we can not do the same
• 
  Cap yearn 9 Jan 2010 (Ask HJ)
  With the ever-increasing price of fuel I am more than ever aware that Honda sold me a new Jazz without a locking petrol cap.
• Hyundai Santa Fe II (2006 - ) - HJ Road Test 16 Nov 2009 (Forum)
  A friend has the 2006 version and is very happy, although given his level of extra urban driving I am surprised at the comparatively poor level of fuel economy he gets. Given the amount of urban driving I do, I would really like to know the urban fuel consumption, not just the combined figure. Can anyone help?
• Diesel cars in the US 21 Aug 2009 (Forum)
  Does anyone work with cars in cold countries or test them? Could an additive be added easily like FSII in aircraft fuel? I think diesel and aircraft fuel are fairly similar. I've driven a few diesel but nowhere really cold.
• Silly speed limit increments 3 May 2009 (Forum)
  I'm talking about the proposed 20mph limit the government wants to implement in its policy of continuous regression. Why 20mph? how do you do that, then? Stay in second and use almost as much fuel as a '68 Charger or chug along in third and budget for a new DPF every few weeks? Why not 25mph? While we're at it, why not have 35mph, 45mph and 55mph (35 being a sensible urban speed that doesn't make you feel like you're standing still) and 55 instead of 50 will be better for fuel economy and the environment.
• Skoda Octavia II (2004 - ) - 08 1.9tdi unknown beep that can't be identified 7 Mar 2009 (Forum)
  The car is currently at the dealer who is scratching his head. When turning right the beep which sounds for low fuel / low temp etc sounds. Sometimes sounds on the straight. Only thing logged on the computer is an intruder alarm - different beep. When it beeps there is NO warning light on the dash although these still work (I got low fuel and the right turn beep within seconds on Friday - same beep).
• Legitimate charge on invoice? 14 Jan 2009 (Forum)
  Invoice as follows: "Investigate noisy running fault. Replace spark plugs. Labour: 1 hour @ £45 Set of plugs: £9.40 Fuel line cleaner: £9.60 Total: £64 + vat" My question - is "fuel line cleaner" a legtimate cost??? I didn't ask for it, in fact garage did all work without quoting or getting the go ahead from me.