Where Is The Knock Sensor Located? - 2CarPros

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Where is the knock sensor located? FARRELL YABENY

• MEMBER
• 2018 CHEVROLET MALIBU
• 1.5L
• 4 CYL
• 2WD
• AUTOMATIC
• 113,000 MILES

Can't seem to locate the knock sensor for this year model. Need help. Sunday, May 22nd, 2022 AT 4:39 PM

3 Replies

SQM

• MECHANIC
• 6,383 POSTS

Hello, There are two knock sensors on this vehicle. One is located on the passenger side of the engine, above the CV axle. The other one is located on the back of the engine below the cylinder head. You will have to lift the vehicle to access them. https://www.2carpros.com/articles/how-a-knock-sensor-works I have attached diagrams below for your reference. Let me know of any questions. Thank you. Images (Click to make bigger) Was this answer helpful?YesNo+4 Sunday, May 22nd, 2022 AT 4:52 PM NICKROSE

• MEMBER
• 1 POST

I can only find the one above the CV axle? Was this answer helpful?YesNo Friday, December 8th, 2023 AT 1:29 PM KEN L

• MASTER CERTIFIED MECHANIC
• 54,336 POSTS

The other sensor is located above the alternator, you might need to remove it to access the knock sensor. Was this answer helpful?YesNo+1 Saturday, December 9th, 2023 AT 8:48 AM

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