Checking spark plugs
Step 7 of 8
Whatever your plugs look like, they’ll benefit greatly from a vigorous clean up with a brass brush. You should have one of these in your on the road tool kit as cleaning the plugs will often help start a reluctant engine. Remember though, if they’re in a bad way, it’s only indicative of another problem, so you should try and solve that problem .Like Camper&Bus? Subscribe to the magazine for more great features.