Problem with heated rear screen on a Ford Mondeo

Last winter the heated rear screen stopped working in our 2006 Ford Mondeo - the 30A fuse had blown. I fitted a replacement (JCASE female type) but when the screen was turned on the fuse blew again. The...

What could be causing the battery in my Mercedes-Benz V220 to discharge completely?

I have a 2003 Mercedes-Benz V220 CDi. It has developed some kind of electrical fault that two Mercedes garages have failed to solve. Basically the battery discharges if left unused for a period of time...

What could be causing the radiator fan to switch on too often on my 2008 Jaguar S-Type?

I have a 2008 Jaguar S-Type 2.7 diesel with 27,000 miles on the clock. Of late it seems to me that the radiator fan operates much too frequently, almost always when the car stops for traffic lights, when...

Undefined error code with Vauxhall Corsa

I have recently changed the engine in my 2004 Vauxhall Corsa C, engine Z12XE. The car runs fine, but the mechanic who replaced the engine (very reliable and knowledgeable mechanic) could not for the life...

Where can I have the CIM unit in my Saab 9-3 repaired or replaced?

I own a 2007 Saab 9-3, which has been very reliable until recently when an ESP fault developed. This was traced to the steering angle sensor, which is integral to a bigger unit called the "CIM" unit. So...

Why won't the dealer help with wiring problems on my daughter's Volkswagen camper van?

You were kind enough late last year to answer my query regarding the larger engine size required to replace a failed engine in my granddaughters 1974 Volkswagen camper van. It was bought and fitted by...

What is causing an engine fault alert on our Renault Scenic?

My Renault Scenic has started to intermittently display the warning message on the dash "Check Injection" with the service light. I've checked out the definition in my handbook and it says "serious engine...

Do car cigarette lighter sockets work when the engine is switched off?

I purchased a cigarette socket phone charger for my 2006 Volkswagen Polo. When plugging the charger into the socket in the dashboard console, with the engine switched off, the charger would not work. Once...

What is causing my Honda Civic Type S' battery to discharge in under a week?

I took delivery of a new petrol engined Honda Civic Type S on 28 April 2011 from Swansway Honda Rochdale with delivery mileage. Since then, when I've taken a week or more long holiday, upon my return the...

Why aren't car software updates provided to independent workshops?

James Foxall's article about servicing struck a chord with me. My Volvo S40 is now out of warranty and I plan to take it to my local independent for its next service, partly for cost reasons and partly...