Posts Tagged: detonation diagnosis

Why You’re Getting a Knock Sensor Code and What It Really Means

Step-by-Step Knock Sensor Code Diagnosis Quick Summary When you get a knock sensor code, don’t automatically assume the sensor itself has failed. In my experience, the most common causes are: 1) Wiring or connector issues (Most common cause) 2) Poor engine grounds 3) Faulty knock sensor 4) Carbon buildup is causing real knock 5) Incorrect fuel. Start by checking the knock sensor wiring harness and connectors. Look for signs of redent chewing, chaffing, bent terminals, and corrosion. Next, inspect engine conditions that could cause detonation, like using regular octane fuel … Read More