Ask Honest John

Most recently answered technical issues questions
I've just got my car back from having an MOT and my heating has noticeably deteriorated, prior to the MOT it was working perfectly. On the heating dial, I used to have it one click in the red and it...
My Renault Clio is still under warranty and needs new brake pads. Would having the work done somewhere other than a franchised Renault dealer invalidate the warranty?
Pease can you tell me if there is a site where I can discover the correct pressures for my Hyundai ix35 4WD. As recommended by your good self, I bought a spare set of steel wheels (17 inch instead of...
I'm considering a Fabia with the TSI 1.2 105 ps engine and wondered if this fairly new design with its high pressure injectors and turbo is likely to have the same sort of problems afflicting modern diesel...
I just bought a Vauxhall Vectra 1.9 CDTi 150 bhp. When I'm driving it's not picking up speed, but if I turn the engine off and back on again it will pick up speed. Once I reach a junction it will lose...
If I leave the car for approx five days the battery normally is flat and the car will not start. With the current technology and consequent drain on the battery is this to be expected? I do lock it when...
Service light is coming on, seat belt pretensioner and air bags are mentioned as possible faults.
When I pull away from stationary in 1st then in to 2nd (worse when cold) there is a harsh metallic noise coming from the nearside of the car. There are noticeable vibrations coming up through the clutch...
My 59 Volkswagen Transporter is very lumpy at tickover, is hesitatant to accelerate and smells 'hot.' Dealer says I should live with it! I'm not so sure, what do you think?
The automatic gearbox on my Zafira CDTI 1.9 has clapped out with just over 30,000 miles on the clock and just 2.5 months over the 3 year warranty. I have been advised by the Vauxhall dealer that Vauxhall...