Ask Honest John

Most recently answered batteries questions
I have a Nissan Micra and my start/stop is not working. There are no faults on the dash board. I replaced the battery but it still does not work. The charge is fine on the battery. Any idea what might...
BMW quote up to 148mpg, battery mileage up to 25 miles for my BMW 330e. I can only attain 58 mpg and battery range between 6.8 and 12 miles. I feel I have been misled badly by BMW. I would value your opinion...
If I use an electric powered car at night (with headlights) and heating (in winter), what percentage of the quoted range can I expect?
My brand new Suzuki Baleno is brilliant to drive; it's comfortable, economical, fast and safe - however, a combination of warning lights suddenly illuminated a few weeks ago. I think that it included a...
My 1996 Ford Mondeo been standing for three years. What is the best way to approach starting it again? I've fitted a new battery but it didn't start. The previous owner said it needed a fuel pump and I'm...
What is the expected lifespan for the battery on a hybrid car e.g. the Lexus CT200?
My car could be off-road for up to six months, how should I look after it?
I have a VW Golf diesel that is used as a second car and only for long trips so hopefully avoiding DPF problems. I have been told that I cannot keep the battery charged using a conventional trickle charger...
I have had a BMW 320i for about three months and during this time it has developed an intermittent starting fault. Basically, about every fourth time I try, the car refuses to start. I am assuming the...
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?
 

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