Used Bosch Injector for Volvo V70 II R and S60 I R

Volvo Injector 920dois100 (Bosch 0 280 155 968) V70 II R and S60 I R Used, including both seals. Functions perfectly, but occasionally, when starting the engine, the diagnostic system (highly sensitive) issues a warning about excessive fuel. The engine starts flawlessly and runs at 100%.