Spark plugs that haven't been changed for a long time can become one with the cylinder head. Fortunately, it's possible to repair damaged threads instead of scrapping the head. (Photograph by Chris ...
Before you undertake any of this work, make absolutely sure that you won't damage your car by attempting to fix the spark-plugs. Follow these steps to remove each spark plug: 1. Gently grasp a spark ...
If a petrol mower drags on the pull cord, fires then dies, runs rough or chews through more fuel than it used to, the spark ...