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Fuel delivery problem with BMW 3 Series 30 Sep 2014 (Ask HJ)
My BMW 3 Series E46 is running poorly, The engine appears to be uneven in its power delivery and feels like the diesel isn't getting through. Any ideas?... -
Can I get a remap to improve the fuel economy of my Kia Cee'd? 9 May 2017 (Ask HJ)
Based on your advice and all you've written, I bought a Kia C'eed estate auto 1.6 diesel (no DPF) with 37,000 miles on the clock from a Kia dealer this... -
Do the car manufacturer's have their misfuelling prevention devices backwards? 15 Dec 2012 (Ask HJ)
I think the motor industry has got it the wrong way round in its effort to prevent misfuelling. It is impossible to put diesel into a petrol tank but this... -
Is there a future for diesel cars? 18 Jan 2015 (Ask HJ)
My 520d Touring has been 100% reliable over 9 years / 65,000 miles from new - just needed routine servicing and a battery. I've been planning to replace... -
I put petrol into a diesel car - how do I rectify this? 29 Aug 2017 (Ask HJ)
I put petrol into my diesel Dacia Duster. How do I rectify this? -
What's causing my Mondeo diesel to hesitate momentarily? 26 Oct 2013 (Ask HJ)
I have noticed while travelling between 50-70 mph that the engine of my Mondeo 1.6 TDCI seems to hesitate or cut-out momentarily, and then cut back in... -
The fuel and his money 7 Mar 2009 (Ask HJ)
I would be grateful for your opinion on petrol verses diesel fuelled cars. I notice that most manufacturers of cars now produce more diesel-engined models... -
How can we tell the difference between petrol and diesel? 29 Jun 2013 (Ask HJ)
We have two fuel containers for emergency use in our cars, my husband’s being petrol and mine diesel. Is there any way of knowing which is which? We think... -
Debris in the fuel pump 14 Apr 2011 (Ask HJ)
What recovery action would you recommend having found metallic debris in the low pressure fuel filter of a 100,000 mile Peugeot 406 2-litre diesel? It's... -
Misfueling advice 22 Jan 2012 (Ask HJ)
As an avid reader of your forum can you explain to me, why, based on your knowledge you furnish so many people who inquire about what to do regarding misfuel,... -
Why is the fuel distance calculation incorrect? 30 Dec 2016 (Ask HJ)
I have a new 2016 diesel Audi A3. I have a couple of questions. 1. After I open the filling cap there is another door which needs to be pushed very hard... -
Increasing oil levels with Yaris diesel 1 Feb 2015 (Ask HJ)
My 2011 Toyota Yaris diesel is suffering from increasing oil levels. It seems that diesel is getting into the sump. The car is still under warranty and... -
Is Shell monopolising fuel stations in certain areas? 22 Dec 2012 (Ask HJ)
I wonder if it's been noticed that Shell has recently bought virtually all the other petrol stations in the Camberley area. We had an Esso, a Texaco and... -
I accidentally put petrol in my diesel tank 25 Mar 2012 (Ask HJ)
We are OAPs (that places us in the almost idiot class to some!) On Saturday my wife put £5.00s worth of Sainsbury's City Diesel in the petrol tank of... -
Did biofuel cause my Citroen DS3 to break down? 4 May 2013 (Ask HJ)
My 8-month-old Citroen DS3 e-HDI 110 stopped at the side of the road with the engine management light on after I had lost all power and the car refused... -
Brain dieser 17 Oct 2009 (Ask HJ)
My mileage is around 5kpa with most journeys being less than 5 miles. I always understood that petrol was best value given the premium on the cost of a... -
Is it harmful to use premium fuels? 31 Jul 2010 (Ask HJ)
My grandson is in the motor trade (a qualified technician) and is of the opinion that sole use of top grade fuel, eg Shell V-Power diesel, is damaging... -
Does my Peugeot 407 really need diesel fuel additive? 9 Sep 2010 (Ask HJ)
In my 2006 Peugeot 407 SW SE, diesel fuel additive should be checked at 70,000 miles and running out can lead to massive bills. Mine required three litres... -
Not getting through 25 Apr 2009 (Ask HJ)
My Jaguar X-Type 2.0 diesel stopped and I called the AA. They said it was starved of fuel with the tank half full. They also said there was no fuel coming... -
Is supermarket fuel inferior to petrol station fuel? 25 May 2013 (Ask HJ)
Why will no one do an in-depth review on supermarket v/s the big four fuel suppliers? I am a tanker driver (not fuel) and over the years have asked at...
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