What is life like with your car? Let us know and win £500 in John Lewis vouchers | No thanks

Ask Honest John

Most recently answered loss of power questions
I have a 1994 Vauxhall Cavalier turbodiesel with a 1700cc Isuzu engine fitted. It has just passed the MOT but I have been having problems with the power. It pulls ok on the straight but when I go up any...
I have a Ford Mondeo Zetec TDCi 2-litre. The glow plug light is flashing and it is losing power. Any ideas?
I've got a Ford Mondeo Mk3 2.0 TDI. It lost all power and then produced white smoke, then it stalled and would not start again. When it cooled down it started, but was very lumpy and with smoke, then stalled...
My 1997 Escort GTI keeps losing power. When I start it up it idles fine, but when I press the accelerator it chugs and splutters when it is cold. Took it on a run yesterday and intermittantly it loses...
My Mercedes-Benz E220 is very slow when under acceleration.
When I check the oil level on my 2000 Mercedes-Benz ML270 using the method provided in the manual, I get an "OIL HI" indicator on the dashboard, indicating that the oil level is high. The vehicle was driven...
I have an Audi A4 TDI. When I put the boot down in second or third gear between 1000 and 2000 revs, the engine splutters as the turbo is working. It's like a dirty fuel filter but I know it's not, as it...
I have a 1996 1.3 HCS-engined Ford Fiesta. It starts perfectly and ticks over fine, but when under load it lacks any sort of power and splutters a lot. I've adjusted the tappets and replaced all the plugs...
My P-reg Ford Fiesta Flight 1.3 is struggling to get up to speed. It can struggle one day and then be fine the next.
I have a Ford Fiesta 1.2 Finesse 04 plate, petrol engine. When the fuel level goes below 1/4 of a tank, the car starts stuttering, like it's losing power, then suddenly gets it back again. The lower the...