How to Use a Spark Plug Tester Like a Pro
Posted on September 22, 2025 by Will Robbinson
Right, so picture this. It’s Saturday morning, and I was having my brew when I realised that there was this awful grinding noise coming from next door. Turns out my neighbour Nigel’s got his Vauxhall Corsa bonnet up, looking absolutely gutted. The engine’s cranking but won’t catch. It’s been two hours, the poor bloke. He […]