Ask Honest John

Most recently answered technical issues questions
I have an intermittent problem with the handbrake on my 2004 Renault Grand Scenic, and Renault say the motor in it is broken. What should I do?
I have a Peugeot 807 2.2HDi on an 04 plate. It will not rev up properly. The turbo is good, pdf is good, car starts first time and ticks over fine but when you try and drive away the power is not there...
Recently there is a strong smell of exhaust inside the car when starting up. I have had the exhaust looked at and have been told there are no leaks and it appears to be OK. The smell goes after a few minutes...
I have a 56-plate Toyota RAV4 diesel that has covered 43,000 miles. I have noticed particularly first thing in the morning that there is a problem changing gear; firstly if it is cold the gear lever is...
I have just been quoted £2300 to replace the DPF filter and EGR valve on my 2007 Fiat Multipla diesel. The car has done 10,000 miles in a year, the majority of which were in the city but with a 100 mile...
I recently had the alternator replaced on my Golf 1.4 Match. It now has a whining noise, similar to a fan belt slipping, when the engine is running. This noise becomes higher pitched when accelerating. Could...
I have just had the head gasket replaced on my Rover 75 1.8 turbo, including a replacement number 4 piston. It's now leaking oil. Mechanic says engine and gear box has to come out now. Any ideas on where...
Just before last winter's snowfall I had a set of Michelin Alpin 205/55/16 tyres fitted to my BMW E46 320d Touring, on BMW supplied new 7x16 steel wheels. That was great, since I did not once find myself...
I have just bought a 2005 CRV 4x4 and I am considering converting to LPG. Can you please tell me how safe it is? Can I switch from LPG to petrol if I cannot get to a garage when on a long journey? Is...
Could you confirm email address for VW UK Customer Services (due to 059B Brake Pressure Sensor elec fault in circuit on 2004 Touran 44K)