. This is a common issue in automotive diagnostics where heat soak causes electrical or mechanical failure in a specific bank of injectors. Symptoms of a "Hot" Injector Malfunction
Swap the BD2 injector with a known good cylinder (if mechanically possible). If the "hot" fault moves to the new cylinder, the injector is bad. If the fault remains at BD2, the wiring or ECM driver is suspect. bd2 injector hot