Ask Honest John

Most recently answered engine issues questions
I recently had my fuel injectors renewed at a garage. The car ran fine for two months then just cut out on a short motorway journey. I took it back to the garage to be told that an intake valve was broken...
Our 2015 Peugeot 108 has covered less than 52k miles but the rattling noise from the engine has been diagnosed as a failing cam chain/guides. The garage has told us that this is a common low mileage issue...
Last week while driving, the red oil light popped up on the dash of my 2016 Ford Fiesta and the engine made a horrible rattling sound. I pulled over, parked up and left the car to be recovered by the garage....
I have a 2016 Peugeot Boxer 2.0 HDi and get black smoke under acceleration plus the engine light comes on?
My Volkswagen 1.6 TDI engine was running perfectly but one morning when I started the engine, it chugged and now holds the revs. It revs up and down with lots of black smoke. What's wrong?
I am considering a new Volkswagen Golf 1.5 TSI. Can can you tell me if there are still issues with this engine. There were reports of the car "kangarooing" and a number of complaints, as I recall, but...
I have just found oil in my radiator and expansion tank. Any thoughts/suggestions as to what this could be?
My son is about to buy a new Skoda Superb with the 1.5 TSI engine and DSG transmission. Is the 1.5 TSI engine “kangaroo” issue fixed? And is the DSG fitted to this model a reliable one?
I have a 2003 Nissan Micra 1.2 that has recently been giving trouble. At first, it was just kangarooing for 30 seconds after moving off, then it got worse and would do it for maybe a minute or two. More...
I have a 2006 BMW 525i and there's a problem with the acceleration. The car idles fine with no noticeable odd noises coming from the engine. When I press on the accelerator the revs very slowly climb to...