What does code P2291 mean?

Q: What does code P2291 mean?

Injector Control Pressure Too Low - Engine Cranking. P2291 means the engine computer commanded a certain fuel pressure in the injector rail during cranking but the pressure sensor reported a value that stayed too low. The powertrain control module (PCM) sets this code when the actual injector control pressure does not rise to the expected threshold while the starter is turning the engine.

DTC codes / P22xx · Fuel and air metering (injector circuits) / P2291

P2291Injector Control Pressure Too Low - Engine Cranking

P2291 means the engine computer commanded a certain fuel pressure in the injector rail during cranking but the pressure sensor reported a value that stayed too low. The powertrain control module (PCM) sets this code when the actual injector control pressure does not rise to the expected threshold while the starter is turning the engine.

SystemPowertrain

Code typeGeneric (all makes)

SeverityMedium

Fix difficultyProfessional

AreaFuel and air metering (injector circuits)

Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.