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• Air leak in fuel system [Diesel] 3 Mar 2003 (Forum)
  Xantia 1.9 TD 1995 92000m NB. Same Xantia as in Smokey start thread. I'm pretty sure I've got a leak somewhere in the fuel lines, when the engine is cold is runs rough for 5-10 seconds before smoothing out. After that its fine. Filters, oil etc & glow plugs are fine (brand new Beru), theres
• Kangarooing/Stalling 5 Feb 2003 (Forum)
  Hello, I have a single point injection ax1.4i tzx, it is using loads too much fuel, and constantly kangarooing and stalling at all speeds,the fault light come on when this happens, but the nearest citroen place is a long way, and the local garage,s computer fault finder would not work on my car
• best and worst MPG 12 Nov 2002 (Forum)
  . This would go up to 65 on a more gentle run and drop to 55 MPG when cruising around at 90 MPH. My worst non-motorsport MPG was in my 620 Ti when on a top speed charge across Germany on the autobahns. My average 36 MPG dropped to just 18. I even stopped at a certain point to check if the fuel cap
• Polo Problem 19 Jul 2001 (Forum)
  The car: 1991 1 litre VW Polo. First of the MK3 model with the single point monotronic fuel injected engine. The problem: The car always starts first turn but normally stalls at some point when the engine is cold, normally when I get to the end of the road. The car is fine once it's warmed up
• Ford Fiesta - Overfilling petrol tank? 29 Nov 2020 (Forum)
  What's the worst that could happen when you overfill your tank by a quid or two?   I know and have seen that in hot weather, fuel could expand and leak from the fuel inlet - which is obviously dangerous.  I suppose with the cooler weather we're experiencing, that's
• If you care about MPG, are lexus cars a bad choice 1 Sep 2020 (Forum)
  , the real mpg for lexus cars is always "bad"? Is Lexus a bad choice if fuel consumption is a concern? The UK does not have cheap fuel prices. Also, I live in the Yorkshire Pennines, so it is very hilly here. My current i10 struggles up hills, it goes up them fine, but you can hear it struggling
• Citroen relay - Citroen relay 2.2hdi nightmare with cutting out 7 Mar 2020 (Forum)
  Hi guys looking for a bit of help with my citroen relay 2.2hdi 2007 van it seems to cut out when doing city driving but will fire up straight away . Before it cuts out it will judder as if it's running out of fuel then when the speed/revs go low enough it just cuts out . Seems fine on the motorway
• Vauxhall Astra GTC - Car not starting from cold start 12 Jul 2019 (Forum)
  For over a year now I have had trouble with my vauxhall, as it won’t start from a ‘cold start’. The only way I can guarantee a start is; by spraying the tiniest amount of easy start direct into the air filter, however this is a last resort. I have tried several things, a fuel filter change (which
• Ford Monde - Ford Mondeo 2008 Petrol Cranks but won’t start 25 Apr 2019 (Forum)
  Hi All, Hope you can help. Ford Mondeo 2008 petrol cranks but won’t start. I did replace the fuel pump in March and it failed in two weeks so upon complaining Halfords replaced it and found it to be faulty. I went away for Easter break and since my return I did 200 miles and the same problem
• Vauxhall Mokka replacement 27 Nov 2018 (Forum)
  My daughter currently runs a Vauxhall Mokka 1.6 petrol which while she likes the driving position, however its rubish on fuel also her family is getting larger....she would like to change it for something bigger to accomadate three under 6year old children and automatic and better fuel compsumsion
• Ford Focus 1.6TD reg 2009 - Best in-tank diesel system cleaner 25 Oct 2018 (Forum)
  Hi, A mate has 2009 150,000 mile Focus 1.6 TD and he reckons fuel consumption is dropping by the day. I asked him today what the readout was giving and he said it has been slowly dropping for a fortnight,including after filthy air filter change a few days ago,now below 60mpg
• Audi A5 - Fuel economy 2 Oct 2018 (Forum)
  Ok so modern cars are obviously great and all, but I am really struggling to understand how my Audi A5 2.0 TFSi S Tronic is so economical? As it’s passed...
• Ford Ka - Performance/economy and coolant level. 15 Feb 2017 (Forum)
  For years my son has claimed the performance and fuel economy of his 05 Ka significantly worsens when the level in the coolant reservoir drops below the minimum (even though it's not empty). Although not pretending to be smart enough to understand this, I can't see any reason why
• Drivers on miniroundabouts - Undertaking and overtaking on junctions 14 Jan 2016 (Forum)
  .  ???? 2. Went to get fuel at a large supermarket and on the main road entrance there is a painted mini-roundabout, as I was turning, indicating a yoof  overtook me and then when he realised he was going to hit me tooted (a lot) and then turned into the petrol station and proceeded to nonchalantly
• Vauxhall Astra H (2004 - 2009) - Fuel gauge reading incorrect 7 Sep 2015 (Forum)
  Hi everyone This is my second Astra H and it is displaying the exact same fault as my previous model.The gauge will read 1/4 of a tank but will be run...
• Citroen C5 2003 - Citroen Poor Starting 5 Dec 2014 (Forum)
  seems worse in extreme temperatures i.e. very hot or very cold.  Dont'know alot about diesel engines but seems like poor compression?  Fuel starvation? Fuel pump seals?  Once the engine is started it drives perfectly......   All suggestions welcome.  Thanks. 
• Toyota Avensis - oem vs aftermarket oil air cabin fuel filter 22 Sep 2014 (Forum)
  I was wondering what your opinions are on makes of filters. I am going to service my car my self 2004 D4D Avensis. so far genuine filters made by...
• Small turbos? 2 Apr 2014 (Forum)
  I've noticed some very powerful small turbo engines recently. Eg. Ford 1.0 gives upto 123bhp, which is similar to their 1.6, but has much better economy. On paper, it sounds amazing, but I wonder what they are like in the real world. Is their performance that good and is their fuel consumption
• Vauxhall Mokka 1.4 turbo 4×4 - can I use Shell Vpower in my new Mokka 3 Feb 2014 (Forum)
  is 99 octane. They have informed me that the use of this fuel could invalidate any warranty in the event of any future engine problems. Bearing in mind Honestjohn recommending this fuel on a number of occasions c an anyone advise accordingly.        
• FIAT Doblo - Diesel van fuelled with petrol instead of petrol 15 Jan 2014 (Forum)
  and fuel system drained; another independent machanic says it is OK to continue driving but not to over-rev and to add upper cylinder lubricant periodically.  Is it not the diesel fuel pump which is vulnerable to petrol because it does not contain oil lubricant? Grateful for advice