Ask Honest John

Most recently answered maintenance questions
I am thinking about buying a newer car. It has a timing chain which needs no maintenance or replacement apart from regular engine oil changes. Many of the cars I am considering have engines with timing...
My 2016 Nissan X-Trail occasionally won't start The battery shows 11.8v and the dash lights up but the car only clicks when the ignition key is turned, but it starts strongly with jump leads. Any thoughts...
My son recently purchased a Peugeot 207 diesel van. Sometimes without warning the engine dies while he is driving. If he switches it of then on the particle filter warning light comes on but the car starts...
I have a DS3 1.2 PureTech 110. It's a 2016 and has done 52000 miles so I am booking it in for cambelt change. Should I have water pump changed as well?
I have a Skoda Fabia 1.0 TSI (18 plate) and it has done 41697 miles. When do I change the cambelt?
I have a Skoda Superb Estate DSG TDI 150. It’s been a great car and runs well and does everything I want but it has done 106,000 miles and is six years old. How long will it last ? I’m prepared for some...
One of the doors on my Peugeot 307 locked itself and has refused to unlock, both through the inside and through outside
I purchased my Subaru XV automatic back in June 2020 and the mileage is now at 26,500 miles. I am used to changing the cam belt, pullies and water pump every four years on my previous Subaru RX, but when...
Four months since buying a 2014 Mazda 3 2.2-litre diesel and on the day of collection the DPF warning light came on. The garage has attempted to repair this but after several attempts the issue remains....
I have a 2015 Citroen C3 Picasso 1.6-litre diesel that keeps going into limp mode and service light comes on. If I start and stop the engine five or six times it clears the problem for a few days but then...