The rpm on my Audi A4 jumps erratically when idle - what is causing this?

I have a 2010 Audi A4 diesel auto. When idle, the rpm jumps erratically. It doesn't do this while driving normally though. What could be causing this?

My cooling fan isn't working - what should I do?

I have a Peugeot Partner 1.6 diesel. The cooling fan is not working at all. I've checked all the fuses but they're fine. What should I do?

Why won't my Vauxhall Zafira rev above 3000rpm?

I have a Vauxhall Zafira 2001 1.6 petrol which has not been driven in months. It drives but won't go over 3000 rpm. It will when parked but there's white smoke. I did the pedal and brake trick and the...

Is an engine flush and clean necessary on a three year old, low mileage car?

Is an engine flush and clean necessary on a three year old, low mileage car?

Is it wise investing money to keep my Jaguar X-Type on the road?

I have recently bought a 2002 Jaguar X-Type 3.0 with 110,000 miles on the clock at a reasonable price. I now need to replace the front and rear suspension at a cost of £1500. Will this be a wise investment...

Are there any issues with driving a car when the traction control doesn't work?

I have a 2010 BMW 320d which has 130k on the clock. Recently the DTC sensor light started flashing with associated loss of power - I deactivated the system and not surprisingly there were no further issues....

Why is the turbo on my car making a strange noise?

I have a Ford Focus 2016 1.0 Ecoboost which has done 10,000 miles. It's being standing for about eight weeks due to ill health. It has been started now and then but not moved. Today I drove it but when...

How often does the oil in the DSG gearbox have to be changed?

How often does the oil in the DSG gearbox have to be changed if at all?

Will a hybrid car still give good mpg on long journeys and country roads?

I currently drive a 2011 Fiat Bravo Multijet diesel - I bought it for the MPG and it hasn't disappointed in that regard, although it's irritatingly unreliable and handling isn't great. Despite living in...

I misfuelled my car - what steps should I take?

I have a 2013 diesel Vauxhall Insignia automatic. I accidentally misfuelled and put in just under five litres of petrol. After speaking to people in the petrol station, I filled up the remainder of the...