Ask Honest John

Most recently answered loss of power questions
When I change to second gear or third gear in my Citroen C4 Grand Picasso, there doesn't seem to be any power at around 30 to 40mph, so I have to rev the engine until the power returns. What do you think...
Can someone offer advice about my Peugeot 306TD? The car starts first time and runs well, with no misfiring or whistles, but there is no turbo effect whatsoever. When you floor the throttle the motor gradually...
Since purchasing the above vehicle in May of this year, I notice that when pulling away from standing the engine almost stalls unless I increase the revs. It's difficult to balance the car and the acceleration....
On all three occasions I have driven my 2008 diesel Honda CR-V on motorways in the fast lane, and have experienced immediate power loss and have had to cross into the hard shoulder. On every occasion I...
When travelling at approximately 75mph in the fast lane on a motorway, my 2006 Audi A6 Allroad diesel lost power. The engine was still turning over but the car was going slower and slower. Despite trying...
I have a new Smart Car which is using a lot of fuel and feels as though it is labouring when trying to keep to 30mph and 40 mph speed limits. Is the car too powerful or is there something wrong with it?...
My Y-reg 1.8 Vauxhall Vectra Estate has started spasmodically flat-spotting for a few seconds at a time. It then picks up again and it may not happen again for several days or weeks. It appears to happen...
I have a 2001 Nissan Micra K11 1.0. I've been experiencing really poor engine performance recently. It would start easy enough and idle OK, either cold or hot, but would not rev when I pressed the throttle,...
My 2002 Zafira 1.8 Elegance automatic has started losing power when being driven at a steady speed. It works well at lower speeds or in narrow country roads. At same time, the cruise control has stopped...
I was recently driving my Volkswagen Golf MkIV on the motorway and I lost all power, and white smoke was billowing out, but the car would still drive. I replaced the turbo and, after replacing the turbo,...