Okay, then they were working.
The next step is to look for any vacuum leaks. Make sure all the hoses are connected, not damaged and connected.
Beyond that, it could be dirty injectors not spraying correct patterns. Fuel additives rarely work. The correct way to clean them is to disable the fuel pump and use a kit that injects the cleaner directly into the fuel rail and run the engine. It cleans the injectors directly.
Wednesday, March 21st, 2018 AT 4:55 AM