Here's a breakdown:
* 1: Cylinder #1 fires first
* 4: Cylinder #4 fires second
* 2: Cylinder #2 fires third
* 5: Cylinder #5 fires fourth
* 3: Cylinder #3 fires fifth
* 6: Cylinder #6 fires sixth
Important Note: This firing order is specifically for the V6 engine. If your 2009 Camaro RS has the V8 engine, the firing order will be different.
To confirm which engine you have, check your vehicle's VIN (Vehicle Identification Number) or consult your owner's manual.