DTC codes / P02xx · Fuel and air metering (injector circuits) / P0294
P0294 means the powertrain control module (PCM) has detected that the electrical circuit for cylinder 12's fuel injector is drawing less current than expected, which the PCM interprets as a low-current or open-circuit condition. The PCM monitors injector driver feedback and sets this code when the commanded injector pulse does not produce the expected current flow through the injector coil.
Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.
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