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• 
  How can the average driver afford a new electric car? 5 Feb 2021 (Ask HJ)
  I've just read the review of a Polestar 2. A look into the leasing deals on the internet mean that the cost for 36 months is £26K plus running costs. Working...
• Vauxhall Zafira B 1.6 (55 plate) - Vauxhall Zafira warm start problem. 10 Jun 2018 (Forum)
    It’s almost as though the car wants to use a fuel mixture unsuitable for starting because it thinks it’s still running at a steady 60mph. I think the EMU is getting stuck in some way.  Warm starting issues on the whole generally seem to be ‘complete’ none starting eventually.
• 
  I want an economical pick-up that can pull a 3500kg trailer - what do you advise? 28 Nov 2017 (Ask HJ)
  I need an economical van or pick-up that can pull a 3500kg trailer. What's your advice?
• Meriva A CDTi 1,7 diesel - spanner light fixed it 30 Oct 2017 (Forum)
  Awfully cramped and fiddly in that engine bay Car still difficult to start so a new battery was put in and it starts  just like new Last three fuel changes needed car to get a jump start,  Maybe with new battery it will pull the fuel through and I wont need a tow Hope this helps as this problem had annoyed me for so long       
• Volvo S40 - 2007 Volvo S40 1.8 Petrol - Emissions Through the 29 Oct 2017 (Forum)
  Currently my theory is that the car is running very rich because of a lack of air getting into the combustion chambers as I've already tested the front heated lambda sensor and the voltage was within the range it should be, I've also taken a look inside the catalytic converter and that's fairly clean. I assume that if the fuel mixture is rich than it must be on the air side of the ratio as the car isn't putting out any black smoke which it apparently would be if the fuel was rich on the petrol side of things.  Anyway my main question is: What would be the best way to diagnose if the fuel mixture is rich or not and if it is, where is the best starting point on diagnosing the which part is at fault?
• Citroen C5 estate 1,6 Hdi (2006) - Engine cutting Out 4 Apr 2016 (Forum)
    However over the last few weeks, whenever i put fuel in it cuts out quite often when I try to accelerate or go round a sharp left hand corner.  This improves after a couple of days and it runs fine, until I put fuel in again!   The car starts well, ticks over smoothly but if you touch the accelerator pedal you get 10 seconds of revs then it dies, only to restart OK after 10 seconds.
• Vauxhall Corsa 1.3 diesel - Squeaking engine 2 Apr 2015 (Forum)
   Drove for a wee while longer and then there was another "fluffing " type noise started- took it straight back to mechanic who immediately diagnosed it as a faulty fuel injector - checking this out and it was the case (actually two had gone) and so he put back refurbished fuel injectors and washers etc and hey presto - no more sqeak!! The sqeak noise had been the air pushing through the knackered fuel injector and then when it worsened, the second noise started.
• 2005 VW Polo 1.2 - Running Problems 11 Sep 2014 (Forum)
  - When I take my foot off the accelerator while cruising in whatever gear, the revs seem to freeze and take a while to start dropping...maybe this is new to me because the fuel filter is brand new and the fuel flow is stronger into the engine therefore the revs are staying constant longer? - When I go on the accelerator after changing gear, there is a slight delay before I have power.
• 
  Extended warranty won't pay for repairs - what are my options? 15 Sep 2013 (Ask HJ)
  My son exchanged his Peugeot for a three year old diesel version, along with extended warranty. Last week the car suffered a burst a steel injector fuel...
• ford mondeo 2004 tdci 130 - 2004 mondeo tdci 130, fuel contamination help 21 Mar 2012 (Forum)
  hello i am new to this site with a problem, i work in a back street garage and we have a mondeo which the cam shaft snapped, we sent it of to a diesel specilist to fix the car they put a new head etc on the car we got it back i notice it is filthy under the engine bay any way i jet wash it down, after the weekend the car was AA'd back not running the guy that repaired it came alone and re programed the injectors ( which were re placed with head ) and ran fine..... for 10 mins then was all lumpy etc, the diesel expert said it needs to be driven to learn, we did and still wouldnt behave, so the expert takes away, then sends it of to another company who stripped the injectors out and say it has water ingress in them and will need new injectors as well as inpection for the whole fuel system to see if there is any other water in system, and they have said that the water could have got there from me jet washing the engine as it would get in the top of the injectors??? ( sounds like a load of cr*p to me) can anyone help shed a light on how this could have happend?
• Honda - CBF 1000 motorcycle - smoky, and now won't start. 27 Mar 2011 (Forum)
  Anyway on the return journey bike did not feel quiet right,like it was being restricted or holding back. when I returned home I gave the bike a good rev while idling...lo and behold I got the occasional puff of black smoke from exhaust. My first thoughts were contaminated fuel...so I emptied the tank with on of them suction pumps(the type you suck engine oil from car sumps without removing sump plug). I then got a gallon of fresh fuel and put it in the tank......tried it on the starter and bike refused to fire.....I eventually flattened the battery trying to start it, I have it on an optimate as I speak.
• Fiat Bravo 1.2 16v Trofeo - W Reg - Fiat Bravo not starting when hot 28 Apr 2010 (Forum)
  Could anyone help as I am at the end of my tether now and don't want to spend huge amounts of money taking it to a garage, some people I have spoken to including a retried mechanic who has actually witnessed the problem believes possible fuel starvation? but when I flood the engine after trying to start it you can certainly smell fuel, another chap who knows a little about cars wonders if it's electronic, possibly fuel sensor? Does such a thing exist and where is it best to start would try anything and be very greatful for any diagrams.
• Vauxhall Astra G Petrol (1998 - 2004) - 02 1.6 Dual Fuel LPG problems 10 Dec 2009 (Forum)
  Hello peoples, I wonder if there is anyone that could advise me please. I recently purchased a Vauxhall Astravan Dual fuel. I did buy the vehicle with a problem, and that was that it will not tickover on LPG. Runs on petrol ok but misses now and again,It starts first time every time on petrol,when the engine has reached normal operating temperature, I can switch over to LPG and after a splutter and a little hesiatation,it will run-but you know your'e on LPG.
• Ford Focus (1998 - 2004) - 03 1.8 Advice/guidance needed on HUGE garage error 28 Sep 2009 (Forum)
  I really need to know how to approach challenging this as I know that fuel pump functioned fine during the 30-mile trip to the garage where I left it for their mechaning to bodge changing the cam belt. What are my rights and where do I go next? Help!
• Volvo S60 (2010 - ) - Direct injection petrol engine - a good idea? 17 Dec 2008 (Forum)
  From HJ's breakdown: "The engine that Volvo Cars has chosen for the Volvo S60 Concept is a four-cylinder 1.6-litre petrol unit using high-efficiency GTDi (Gasoline Turbocharged Direct Injection) technology and producing 180 horsepower. In a conventional petrol engine, fuel is injected into the inlet manifold ahead of the inlet valves. With direct injection, however, the fuel is injected directly into the combustion chamber under high pressure. The engine in combination with a range of other technical measures makes it possible to cut carbon dioxide emissions to 119g/km."
• Skoda Superb (2008 - ) - DSG not as efficient as was promised? 15 Sep 2008 (Forum)
  The only reason I can see for the consistent increase of ~10% in fuel consumption is that the DSG may be changing gear at different points to a manual gearbox on an economy drive. Is this the best explanation, or am I missing something?
• Audi A6 + RS6 (1997 - 2004) - 01 1.8T Over Fuelling ! Audi expert required. 8 Aug 2008 (Forum)
  So i had a new Lambda Sensor fitted - still the same, so then had a new Mass Air Meter - Then a new Thermostat and i also had the Throttle Body cleaned - still the same problem, The EML still comes on MPG is awful and a very strong smell of fuel coming from the tail of the exhaust. How can it be running Too Lean when it is running Too Rich ! So my garage put me in touch with a Bosch Service Centre who worked on the car for 6 hours, doing all checks relating to Fuel and Air.
• Retrospective views road transport and Electricity 16 Apr 2008 (Forum)
  Sounds improbable of course, but if 60 years ago (Instead of ripping it out of cities) electricity had been embraced, surely solutions would have been found. The current focus of adding bio fuels to regular fuel just seems so short sighted given the number of vehicles that need fueling. Once down the petroleum path, difficult to go back... But any comments or any other examples of where motoring and the road transport system could have been different to now?
• rover 416i keeps cutting out - help 26 Jan 2007 (Forum)
  hi, i have a rover 416i which i brought early last year. for several months it would cut out, when coming to a junction or stopping. it would re start agin straight away and then be ok for a few days or even weeks. i finally took it to my local garage in the summer and they told me the head gasket had gone, which i had replaced, but when i got it back the problem still continued. some days it is fine, others it can happen several times in a single journey, it also started to kind of splutter just beofre it would cut out, as if the fuel was not getting through, i had an xr31 that had a similar problem and it was the fuel sensor, anyway a week before christmas it cut out, but when i tried to restart it it must have taken about 10 times of turning over before it finally fired up and then drove like a pig, so i called the aa out, who were completely hopeless, and followed me to my local garage (again) who did the head gasket for me. as the problem is intermitant i fully understand they would need it for a while to get the problem to happen for them, however 6 weeks on they still have my car, and have told me they have tried lots of things and have had no joy, there next attempt will be a fuel pump to be fitted on monday - at a cost of £70 plus labour etc, on top of the labour they are allready charging. they seem to be stumped at what the problem is, which is not at all reassuring, and to be honest i cant afford these repairs as it is, witout them doing work that is not needed. can someone please help with what this problem may be???????
• The Popularity of LPG Conversions 23 Oct 2005 (Forum)
  With the increase in fuel prices, are LPG conversions becoming more popular? As some of you may know, I have a 3.4 (petrol) Landcruiser Colorado. Now in the interests of fuel costs alone it may not be worth my while to do a LPG conversion; With an annual mileage of around 10-12K and assuming I'm only going to keep the car for another 2 years or so, I might not recoup my initial outlay.