Ask Honest John

Most recently answered water ingress questions
I have a persistent problem my garage can't solve. They’re very good but this ones got them stumped can you help? When I turn on the ignition the central locking locks one door; usually the front passenger...
It's a Vauxhall Vectra B 2.0DTI 16v. All was fine til the engine bay was washed. Now the engine management light comes on, Major loss of power, when cold will only rev to 1500, hot to 2500 any suggestions?
What is the point of electronic handbrakes? You report that water ingress is a common problem. If it's so common why don't they fix it? I have just been quoted £550 by Volkswagen to replace just one side....
My Audi has a sodden wet carpet in the front footwell. It has been into three garages who have not found the leak - can you help? Leaves have been moved from drai, holes in the engine compartment twice,...
I have water in passenger footwell Alfa GT; what is the likely cause?
I have just discovered that my new B-Max is leaking rain water very badly in the offside boot area. A protective sheet that I had on the floor of the boot was found to be soaking wet. The car is now...
I can't open driver's door in frosty conditions on my Jeep Patriot. There is no key access on driver's door. All buttons pop up, including driver's door, but neither the ouside handle nor the inside one...
I have a 2003 Toyota Corolla Verso, which has two sunroofs. Following the recent heavy rain, both front and rear footwells on the passenger side were wet (the vehicle was parked on the road with minimal...
The Hi Line Sat Nav on my 2002 Rover 75 has developed faults. The position triangle has started to rotate as we follow the route, and the boot mounted CD drive will not power down when the car is locked....
My seven year old, 125k miles BMW 530d suffered water ingress last week. The insurer's garage won't take the engine to bits and have costed £13k for a replacement power unit - so it's a write off. The...