Ask Honest John

Most recently answered technical issues questions
I have been worried by your frequent references to costly problems relating to diesel car particulate filters. We have a 2 year old Subaru Legacy with the 2.0 diesel engine. I have asked our garage about...
I have a VW POLO 1.4SE on an 11 plate Starting from cold on two occasions it has failed to start on the first turn of the key. Thereafter it behaves likea car with a flooded carburretor. It turns over...
The rocker cover of my Fiesta gets coated in a thick layer of 'salad cream' (which I assume is emulsified oil) very quickly (in a matter of weeks). It is now starting to block the oil filler/breather cap....
My girlfriends KA heater has stopped working. I have replaced the resistor with a brand new one and I have checked the fuses. What else could I check?
My son has been advised to get his cam belt changed - the car is 2005 and has only done 48K miles. We have been quoted £550 to include water pump - does this sound right?
Does the Daihatsu Sirion 1.5 SX [2008 registration] have a cam belt or chain? FAQs mentions the 1.0 and 1.3 but not the 1.5.
I know they are for temperatures of 7 degrees and below, but I'm now worried about when to put my normal tyres back on? And should I ask my Suzuki dealer to store the winter tyres?
I have a 2007 BMW E61 5 series Touring fitted with Dunlop SP Sport fronts and Goodyear Eagle rears both 245-40R18 93Y rated runflats (fitted by previous owner). It is now time for new tyres but I am unsure...
I bought from new recently a 61 plate Hyundai i10 active (this is a 'facelift' model with kapp2 engine) Great little car as you have so often pointed out but a particularly annoying 'feature' (affecting...
I've had my 1996 Isuzu Trooper from new. She is a fantastic workhorse and has been used for significant towing almost every day. Never had a problem and still on her original brake disks after 155k miles....