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Engine & Drivetrain VQ Power and Delivery

High pitched whining noise coming from engine

Old Dec 12, 2025 | 04:32 PM
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chris326z
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Default High pitched whining noise coming from engine

Been having problems with my z recently at times after a stop it will not drive for a sec and stutter and jolt forward then eventually starts driving again but with power loss. That was happening for 2 weeks but now I start the car drive for about a minute then it will completely lose power but still will rev and also been having this loud high pitched whining sound. I have these cel codes p1769 p1759 p1752 poo57 I know the last one is for 02 sensor that’s been on for a while now .. I don’t think it’s a transmission problem because it runs smooth when the car actually works. I jacked the car up and the 02 sensor on the driver side was completely torn out on both sides can this cause the issue ? I’ve read that clogged cars can also cause that issue but what would explain the whining noise as well?
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