How to test a knock sensor with multimeter at home
Learning how to test a knock sensor with multimeter can save you a ton of money and a headache at the mechanic. If your car has been acting sluggish lately, or maybe you're hearing a weird metallic "pinging" sound when you're trying to accelerate up a hill, there is a good chance your knock sensor is throwing a tantrum. It's one of those small parts that doesn't look like much—usually just a little bolt-on plastic and metal puck—but it plays a massive role in keeping your engine from blowing itself apart. ...