A2C9303500080 — Symptoms & Failure Modes
Common symptoms and verified failure modes of a failing Continental/VDO A2C9303500080 2.0 EcoBlue Common Rail Injector (Ford Transit).
Rough idle / vibration · high
A leaking or out-of-calibration EcoBlue injector unbalances cylinder fuelling, giving a shaky idle.
Hard starting / long crank · high
Excess injector back-leakage bleeds rail pressure, so the engine cranks longer before firing.
Limp mode / loss of power · high
Out-of-range injector delivery or rail-pressure deviation triggers reduced power on the EcoBlue.
Black smoke · medium
Poor atomisation from a worn or coked nozzle over-fuels the cylinder.
Engine management light · medium
Cylinder-specific injector, rail-pressure or fuel-metering fault codes.
Diesel knock / injector tick · medium
A failing nozzle or seat causes an audible knock that varies with the weak cylinder.