C7 Z06 Check Engine Light

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Yesterday | 07:18 PM

6200LT4

Thread Starter

Heel & Toe

Joined: Sep 2025

Posts: 21

Likes: 1

C7 Z06 Check Engine Light

Driving my '19 Z06 with 24K miles on Sunday when I did a light pull then the CEL came back on. The car was down on power but other than that it ran smoothly.

Checked the codes today and it has P0325 & P0330. The fact that this is both knock sensor codes, is it likely an issue with knock sensor wiring, bad tank of gas? The car has almost a full tank of gas, any octane booster I should test out through this tank?

Yesterday | 07:33 PM

2001PewterWS6

Racer

Joined: Nov 2021

Posts: 477

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From: Pittsburgh, PA

What grade of gas did you put in it? 91 or 93?

Yesterday | 08:06 PM

6200LT4

Thread Starter

Heel & Toe

Joined: Sep 2025

Posts: 21

Likes: 1

Always put in 93, I drove the car 2 weekends ago and filled up before parking the car, the CEL came on taking the car out this past weekend with a full tank of gas from the previous weekend.

Yesterday | 09:28 PM

2001PewterWS6

Racer

Joined: Nov 2021

Posts: 477

Likes: 172

From: Pittsburgh, PA

I would just clear the CEL drive the car normal until the fuel gets low then refill at a different gas station and see if that fixes your issue. No sense dumping in a $25 can of octane booster

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