* Diesel engines don't have a firing order in the same way gasoline engines do. Diesel engines ignite fuel through compression rather than a spark plug.
* There are multiple diesel engine options for the Peugeot 306. The engine code and type will determine how many cylinders it has and their firing sequence.
To find the correct firing order for your specific 1997 Peugeot 306 diesel, I recommend:
1. Check your owner's manual. This should provide detailed information about your vehicle, including engine specifications and firing order.
2. Look for a sticker or label on the engine block. Some manufacturers include this information directly on the engine.
3. Consult a reputable automotive repair manual specific to your vehicle. These manuals often have detailed specifications, including firing order.
4. Reach out to a Peugeot dealership or qualified mechanic. They will be able to access the correct information for your vehicle.
Remember: Trying to determine the firing order without the correct information can be dangerous. It's always best to consult reliable sources and avoid guessing.