How to change glow plugs for a ford focus 2.0 Tdci?

If You need to change the glow plugs on the Ford Focus then You need to follow these steps. First, You will want to locate the glow plugs. They are on top of the cylinder heads on the engine, and there are multiple of them. They look a lot like spark plugs, so they should be easy enough to find. Once You have found them they will simply screw out of the slots they are in, and then You can screw the new ones back into the slot. Simple as that. Glow plug prices can vary, but somewhere between 25 and 50 per plug is pretty standard, meaning they are a little pricey, but not too bad.