![]() There are several reasons why a knock sensor can fail in a 350 TBI engine, including normal wear and tear, physical damage or corrosion, wiring issues, and faulty sensors or components. Engine Stalling or Running Rough: A bad knock sensor can cause your engine to stall or run rough, making it difficult to operate.Ĭauses of a Bad Knock Sensor in a 350 TBI Engine.Unusual Engine Sounds: If you hear unusual knocking or pinging sounds coming from your engine, it could be a sign of a bad knock sensor.Illuminated Check Engine Light (CEL): A faulty knock sensor can trigger your engine’s Check Engine Light (CEL) to come on, indicating a problem with your engine.Poor Fuel Economy: A bad knock sensor can also lead to poor fuel economy as the engine struggles to maintain optimal fuel efficiency.Reduced Engine Power: A bad knock sensor can cause your engine to lose power and struggle to perform as it should.Engine Misfires or Hesitation: If your engine is misfiring or hesitating during acceleration, it could be a sign of a bad knock sensor.There are several symptoms of a bad knock sensor in a 350 TBI engine, including: Symptoms of a Bad Knock Sensor in a 350 TBI Engine In a 350 TBI engine, the knock sensor is located on the engine block and is connected to the computer by a wire. 350 TBI Knock Sensor Symptoms credit to Efurd Garage When the knock sensor detects this sound, it sends a signal to your engine’s computer, which adjusts the timing and fuel delivery to prevent engine damage. ![]() What is a Knock Sensor?Ī knock sensor is a component in your engine that detects the sound of knocking or pinging, which occurs when your engine’s air/fuel mixture is not burning properly. But what exactly is a knock sensor and why is it so important for engine performance? In this blog post, we’ll dive into the world of knock sensors and explore the symptoms of a bad knock sensor in a 350 TBI engine. If you have a 350 TBI engine, you may have heard of a knock sensor before.
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