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DTC codes / P2Dxx · Hybrid propulsion / P2DDD

P2DDDFuel Injection Quantity C Higher Than Expected

P2DDD is a generic powertrain code indicating that the engine control module has detected a fuel injection quantity for cylinder C that is higher than the expected value for current operating conditions. The computer compares commanded injection timing and duration against feedback from the fuel system and determines that cylinder C is receiving too much fuel, which can upset combustion balance and emissions.

SystemPowertrain
Code typeGeneric (all makes)
SeverityMedium
Fix difficultyIntermediate
AreaHybrid propulsion

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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