Ask Honest John

Most recently answered technical issues questions
I am the owner of a Ford Focus TDCi 2006 plate. I have just recently (yesterday) had the dual mass flywheel and clutch replaced as well as the concentric slave cylinder. All was working fine until today...
Service book recommends inspection at 4yrs/60,000 miles then yearly inspections. No time limit for changing. Car does mainly short journeys, max 3000 miles per year. Concerned that no time limit for...
I am new to cars and I am having two noise related issues in my Ford Focus Lx 1.6 (Petrol 2007). I bought it as a used car with warranty in January 2012. A full service has been done in June 2012. 3 weeks...
I'm waiting on delivery of a new 328i touring automatic in the next couple of weeks. It's my first automatic BMW and my first with stop-start technology ... so quite a bit of learning to do! I had a 330d...
When driving on the motorway at about 70 mph the engine management light comes on and the engine loses power. It doesn't do it when driving around town but there is a big loss in power and is using a lot...
I have a 2008 Ford focus 1.6 Zetec petrol, manual gearbox. Purchased this car in April this year from ford main dealer. car had done 7400 miles. It has now done 11500. Just had to get garage to look...
When trying to accelerate hard in 4th or 5th gear my 2006 Focus TDCi is prone to misfiring with the resulting loss in power. At all other times acceleration is fine. What could be the cause of this?
When stationary or moving very slowly, I get a almost creaking sound coming from steering wheel, do not notice at speed. Have noticed you have mentioned top suspension bearing failure cropping up on these...
My Porsche 944 S2 Driver's Manual states: "Prior to charging the battery with a 'Quick Charger', disconnect the battery to prevent destruction of the alternator". As I only use the car infrequently, is...
I have a Mercedes-Benz E320 CDI which is not starting. Over 2 visits to my garage we have replaced the glow plugs, pre and main engine bay fuel pumps, filters, all hoses, fuel sensor, starter motor, injector...