Ask Honest John

Most recently answered technical issues questions
My Skoda Fabia is misfiring. A mechanic has cleaned all three spark plugs and checked the coil - both are okay but still it is misfiring. What should I try next?
Is it worth getting a Land Rover Defender that's undersealed? If it is, would you recommend having the underbody coated in wax or oil?
My Nissan Micra jerks and lurches at low to medium speeds. It starts fine, accelerating well, but then starts to lurch along at medium speeds - up to 60mph. The plugs and filters have all been replaced,...
I drive a 2002 Skoda Fabia estate. My friend is in the process of rebuilding a crash-damaged Y-reg Polo. As he needs three new steel wheels for the Polo and I need a new spare for my car (both 14-inch),...
Is it safe for a Honda Jazz battery to remain in the car and permanently connected to the mains via a smart charger through the winter?
I see that you replied to Brian Joslin's question "Is it safe to connect a battery to a 'smart' mains charger all winter" in the negative, but I thought that is exactly what they are designed to do (although...
My car can suddenly stall and engine cut out after driving half a mile. Try to restart it and the revs will not stay up to idle speed and the engine cuts again. If I rev the engine for a while and then...
My wife's MINI Countryman All4 has suffered a premature clutch failure after only 37,000 miles. As the clutch is not covered by the warranty (wear and tear, apparently), it has cost over £2000 to be repaired...
I am laying up my 2006 Mercedes-Benz SLK for the winter. What should I do to protect the doors, window seals and folding roof mechanism?
I want to buy a technical manual for my Isuzu Rodeo Denver Max, but can’t find any in the Haynes catalogues. Are there any other places I can find a workshop manual for my pick-up?