Ask Honest John

Most recently answered diesels questions
I have a 2001 Volkswagen Passat 1.9 TDI diesel. I understand that the car needs to travel a reasonable distance, say 20 or 30 miles, to ensure that the DPF does not clog. Do I presume that the diesel particles...
My son’s Peugeot 307 diesel particle filter additive low-level warning light has come on. Is this a major problem that only Peugeot can deal with? Or are there alternative mechanics that might be able...
I'm swapping my ten-year-old Ford Mondeo TDCI estate with 140,000 miles, which I've owned from new. It has been virtually faultless with no clutch or DMF problems. I have been offered, from a Jaguar main...
In September 2010 we bought a new Skoda Yeti diesel. All was well for a few months, then the diesel particulate filter light started coming on. We had the filter cleared professionally but it happened...
Is there any benefit in using Shell V-Power diesel in my new Octavia 1.6 DSG or is it intended more for high performance cars? I only do about 6000 miles a year.
I have been thinking of changing my Octavia vRS (petrol) due to my high mileage of 25,000 per year, and I am very wary of buying a manual due to DMF failure. I am lucky enough to have some money available...
My Jaguar regularly shows a red dashboard warning saying the diesel particulate filter is full. I'm told I should, at some point since the previous time it happened, have driven for at least half an hour...
I note on occasions your correspondents refer to the approaching 'Danger Zone' for expensive repairs to their (diesel) vehicles. I have owned a Toyota Avensis 2.0 D-4D for some six years, and - credit...
Out of all the current cheap to run diesels (e.g Ford Econetic, Skoda Greenline, SEAT Ecomotive, etc) which ones are now proving to be the most reliable beyond 50K miles?
My 2005 Mondeo diesel is being passed to my son very soon. I was going to replace it with another year old car but my mileage has reduced. I was about to buy a 12 mth old petrol such as Focus, Octavia...
 

Ask Honest John

Value my car

Save £75 on Warranty using code HJ75

with MotorEasy

Get a warranty quote

Save 10% on GAP Insurance

Use HJ10 to save on an ALA policy

See offer