Ask Honest John

Most recently answered diesels questions
In your summary of the Volvo V50 you state as a 'bad point' that diesels are expensive after 3 years. I have a 40 month old Volvo V50 2.0 diesel with 22k miles and and no problems so far. I need to decide...
I am soon to take delivery of a Ford Kuga 2.0 TDCi 163 Titanium. Should I be concerned about the 'dual mass flywheel', DPF, and belt cam? I am not too worried about the DPF due to the type of trips it...
Some 2-3 weeks ago you ran a letter about problems with diesel fuel blockage caused by the addition of biodiesel to standard diesel and lack of use of the vehicle. I have a smallholding and two tractors...
My wife's Clio Extreme dCi 86 had its first MOT today, and the garage, without our authority, carried out a fuel flush on it, charging us £20. This they said was to clean the engine of biofuel deposits,...
I have the chance to buy my Ford Mondeo Titanium X 1.8 57 plate Estate car at a price of £2,600 at the end of the lease deal in June. It will have covered just over 100,000 miles by then and will have...
We have just bought a brand new Mini One diesel for our eighteen-year-old. Both my husband and I have experienced dangerous power surges that lurch the car forward when taking the foot off the clutch....
I read that the new KIA Rio 1.1 CRDi ecodynamics (85 g/km CO2) does not have a DPF, despite achieving Euro 5 emissions. If that is true then it can only prove more popular for short journey motorists who...
In 2008 you advised the then new Subaru Forester diesel. Due to the waiting list, instead we bought an XT 2.5 petrol. Three years on, it is summed up after 18,000 miles a year as brilliantly fast, comfy,...
Some time ago you warned against storing a spare can of diesel for too long. Now I have a diesel car I would appreciate a repeat of that advice.
I was interested in your warning about impending failures of diesel particulate filters and dual mass flywheels on diesel engined cars. My Freelander 2 is now two and a half years old. Do I part-exchange...