Your car starts acting up—hesitating to accelerate, misfiring, or even refusing to start—and your first thought probably isn’t the camshaft position sensor. Only people like me, who worked on cars for 15 years, might think that. But here’s the twist: a faulty camshaft sensor can disguise itself as a whole list of other car problems, often leading drivers (and even mechanics) down the wrong diagnostic path. This tiny part plays a major role in your engine’s timing and fuel delivery. When it malfunctions, it can trigger symptoms that look like spark plug failure, a bad fuel pump, or even a dying battery. If you’re noticing anything weird going on with your car, here are some things that may point to camshaft problems.
