Picture this: you’re sitting at a stop light on a hot day, getting ready to merge onto the highway. As you pull out and step on the gas, you hear an awful noise that sounds like shaking a bunch of marbles in a can.

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The car hesitates, stumbles, then proceeds to accelerate slower than normal. What just happened? You’ve probably just experienced engine knock.


What is Engine Knock?

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The worst symptoms from a bad knock sensor will occur when internal engine components become damaged. If you’ve let this problem escalate without replacing a faulty knock sensor, then your vehicle will begin to increasingly drag and jerk around.

There may even be a burning smell coming from the engine and getting into the cabin of your vehicle. Any further use of the vehicle in this condition could result in the entire engine being destroyed.

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Then, you’re looking at many thousands of dollars to replace your entire engine. Don’t wait for that to happen. It is much cheaper to just replace the knock sensor.