A P0280 code on your 2023 Chevrolet Camaro indicates a high voltage condition in the cylinder 7 fuel injector circuit. This code applies to V8-powered Camaros, requiring attention to restore full muscle car performance.
Camaro V8 Configuration
The 2023 Camaro offers the LT1 6.2L V8 in SS models and the supercharged LT4 6.2L in ZL1 models. The turbocharged 2.0L four-cylinder wouldn't set a cylinder 7 code. On GM V8s, odd cylinders (1,3,5,7) are on the driver's side, even (2,4,6,8) on passenger side.
High Circuit Analysis
High voltage indicates an open circuit—the ECM commands the injector but no current flows. This occurs from disconnected connectors, broken wiring, or internally open injector coils. Without proper injector operation, that cylinder contributes nothing to performance.
Diagnostic Steps
Locate cylinder 7 on the driver's side, third from the rear. Check connector security—the Camaro's performance components can vibrate connectors loose over time. Test injector resistance; infinite ohms means the coil is open. Verify wiring continuity from injector to ECM.
Repair Requirements
An open injector requires replacement. LT1/LT4 injectors are direct injection units requiring fuel system depressurization before removal. These high-pressure components demand proper handling. For wiring issues, locate and repair the open. After repair, expect full V8 power to return.