How to Replace the Knock Sensor?

Answer Automakers begin using computerized engine controls starting in the 1980s. Modern computerized engines utilize a spark knock sensor to detect detonation. Detonation is the premature ignition of the... Read More »

Top Q&A For: How to Replace the Knock Sensor

How to Replace the Knock Sensor in a '99 Blazer?

The S-10 Blazer arrived in Chevrolet's lineup in 1983, as the mid-sized complement to the existing full-sized Blazer. The 1999 Blazer -- Chevy dropped the "S-10" moniker in 1995 -- came standard wi... Read More »

How to Replace a Subaru Knock Sensor?

Spark knock in a modern Subaru engine has become a thing of the past with the advent of the knock sensor. When the knock sensor detects a spark knock in your Subaru's engine, it sends a message to ... Read More »

How to Replace a Mercury Villager Knock Sensor?

The knock sensor on the 1993 through 1998 Mercury Villager 3.0-liter engine is located under the intake manifold. It checks for pre-ignition, otherwise known as spark knock. If it senses spark knoc... Read More »

How to Replace a Knock Sensor on a Grand Prix?

The knock sensor in the Pontiac Grand Prix sends a signal to the computer, which in turn signals the control module to adjust the timing when the sensor senses excess vibration or knocking in the e... Read More »