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Chris Larsson · 11-30-2025, 10:45 PM

Dears,
I bought a used 2017 zl1 two weeks ago. The car was doing fine boost is fantastic and the car is really amazing.

During the first week I saw the check engine light in the morning but couldn't read it and it disappeared in the afternoon.

This week, the engine was not giving full power. I don't feel the supercharger engagement. Yesterday, check engine light was flashing when I tried full power. Then, the light disappeared. I checked the values from an obd2 scanner and I'll share it in this thread.

Also, I hear sound like grinding/crushing in the hood when I try to accelerate.

How should I start the troubleshooting?

11-30-2025, 10:45 PM	#1
Chris Larsson Drives: Camaro 2017 ZL1 Join Date: Nov 2025 Location: Lima Posts: 12	Supercharger hesitates Dears, I bought a used 2017 zl1 two weeks ago. The car was doing fine boost is fantastic and the car is really amazing. During the first week I saw the check engine light in the morning but couldn't read it and it disappeared in the afternoon. This week, the engine was not giving full power. I don't feel the supercharger engagement. Yesterday, check engine light was flashing when I tried full power. Then, the light disappeared. I checked the values from an obd2 scanner and I'll share it in this thread. Also, I hear sound like grinding/crushing in the hood when I try to accelerate. How should I start the troubleshooting?